Home / 1,342.27-2,013.19-368.15

Finding the Fourth Proportional to 1,342.27, 2,013.19 and 368.15

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Solution

The fourth proportional to 1,342.27, 2,013.19 and 368.15 is: 552.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342.27 : 2,013.19 = 368.15 : x
  2. Step 2: Convert to fraction form
    1,342.27/2,013.19 = 368.15/x
  3. Step 3: Cross multiply
    1,342.27x = 2,013.19 × 368.15
  4. Step 4: Simplify right side
    1,342.27x = 741,145.83
  5. Step 5: Solve for x
    x = 741,145.83/1,342.27
  6. Step 6: Final answer
    x = 552.16

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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.