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Finding the Fourth Proportional to 2,605.43, 3,901.16 and 1,560.53

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Solution

The fourth proportional to 2,605.43, 3,901.16 and 1,560.53 is: 2,336.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,605.43 : 3,901.16 = 1,560.53 : x
  2. Step 2: Convert to fraction form
    2,605.43/3,901.16 = 1,560.53/x
  3. Step 3: Cross multiply
    2,605.43x = 3,901.16 × 1,560.53
  4. Step 4: Simplify right side
    2,605.43x = 6,087,890.87
  5. Step 5: Solve for x
    x = 6,087,890.87/2,605.43
  6. Step 6: Final answer
    x = 2,336.61

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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.