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Finding the Fourth Proportional to 1,737, 2,398.32 and 1,117.08

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Solution

The fourth proportional to 1,737, 2,398.32 and 1,117.08 is: 1,542.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,737 : 2,398.32 = 1,117.08 : x
  2. Step 2: Convert to fraction form
    1,737/2,398.32 = 1,117.08/x
  3. Step 3: Cross multiply
    1,737x = 2,398.32 × 1,117.08
  4. Step 4: Simplify right side
    1,737x = 2,679,115.31
  5. Step 5: Solve for x
    x = 2,679,115.31/1,737
  6. Step 6: Final answer
    x = 1,542.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.