Home / 1,366.06-2,049.43-392.14

Finding the Fourth Proportional to 1,366.06, 2,049.43 and 392.14

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Solution

The fourth proportional to 1,366.06, 2,049.43 and 392.14 is: 588.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366.06 : 2,049.43 = 392.14 : x
  2. Step 2: Convert to fraction form
    1,366.06/2,049.43 = 392.14/x
  3. Step 3: Cross multiply
    1,366.06x = 2,049.43 × 392.14
  4. Step 4: Simplify right side
    1,366.06x = 803,663.48
  5. Step 5: Solve for x
    x = 803,663.48/1,366.06
  6. Step 6: Final answer
    x = 588.31

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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.