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Finding the Fourth Proportional to 2,923.52, 4,383.64 and 974.68

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Solution

The fourth proportional to 2,923.52, 4,383.64 and 974.68 is: 1,461.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,923.52 : 4,383.64 = 974.68 : x
  2. Step 2: Convert to fraction form
    2,923.52/4,383.64 = 974.68/x
  3. Step 3: Cross multiply
    2,923.52x = 4,383.64 × 974.68
  4. Step 4: Simplify right side
    2,923.52x = 4,272,646.24
  5. Step 5: Solve for x
    x = 4,272,646.24/2,923.52
  6. Step 6: Final answer
    x = 1,461.47

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.