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Finding the Fourth Proportional to 2,703.46, 4,055.19 and 651.46

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Solution

The fourth proportional to 2,703.46, 4,055.19 and 651.46 is: 977.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,703.46 : 4,055.19 = 651.46 : x
  2. Step 2: Convert to fraction form
    2,703.46/4,055.19 = 651.46/x
  3. Step 3: Cross multiply
    2,703.46x = 4,055.19 × 651.46
  4. Step 4: Simplify right side
    2,703.46x = 2,641,794.08
  5. Step 5: Solve for x
    x = 2,641,794.08/2,703.46
  6. Step 6: Final answer
    x = 977.19

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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.