Home / 1,743.81-2,616.12-511.24

Finding the Fourth Proportional to 1,743.81, 2,616.12 and 511.24

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Solution

The fourth proportional to 1,743.81, 2,616.12 and 511.24 is: 766.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,743.81 : 2,616.12 = 511.24 : x
  2. Step 2: Convert to fraction form
    1,743.81/2,616.12 = 511.24/x
  3. Step 3: Cross multiply
    1,743.81x = 2,616.12 × 511.24
  4. Step 4: Simplify right side
    1,743.81x = 1,337,449.55
  5. Step 5: Solve for x
    x = 1,337,449.55/1,743.81
  6. Step 6: Final answer
    x = 766.97

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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.