Home / 1,612.10-2,417.47-516.17

Finding the Fourth Proportional to 1,612.10, 2,417.47 and 516.17

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Solution

The fourth proportional to 1,612.10, 2,417.47 and 516.17 is: 774.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612.10 : 2,417.47 = 516.17 : x
  2. Step 2: Convert to fraction form
    1,612.10/2,417.47 = 516.17/x
  3. Step 3: Cross multiply
    1,612.10x = 2,417.47 × 516.17
  4. Step 4: Simplify right side
    1,612.10x = 1,247,825.49
  5. Step 5: Solve for x
    x = 1,247,825.49/1,612.10
  6. Step 6: Final answer
    x = 774.04

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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.