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Finding the Fourth Proportional to 1,949.54, 2,922.93 and 974.96

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Solution

The fourth proportional to 1,949.54, 2,922.93 and 974.96 is: 1,461.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949.54 : 2,922.93 = 974.96 : x
  2. Step 2: Convert to fraction form
    1,949.54/2,922.93 = 974.96/x
  3. Step 3: Cross multiply
    1,949.54x = 2,922.93 × 974.96
  4. Step 4: Simplify right side
    1,949.54x = 2,849,725.22
  5. Step 5: Solve for x
    x = 2,849,725.22/1,949.54
  6. Step 6: Final answer
    x = 1,461.75

Related Problems

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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.