Home / 1,344.13-2,016.14-370.21

Finding the Fourth Proportional to 1,344.13, 2,016.14 and 370.21

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Solution

The fourth proportional to 1,344.13, 2,016.14 and 370.21 is: 555.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344.13 : 2,016.14 = 370.21 : x
  2. Step 2: Convert to fraction form
    1,344.13/2,016.14 = 370.21/x
  3. Step 3: Cross multiply
    1,344.13x = 2,016.14 × 370.21
  4. Step 4: Simplify right side
    1,344.13x = 746,385.11
  5. Step 5: Solve for x
    x = 746,385.11/1,344.13
  6. Step 6: Final answer
    x = 555.29

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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.