Home / 1,344.48-2,016.80-370.72

Finding the Fourth Proportional to 1,344.48, 2,016.80 and 370.72

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Solution

The fourth proportional to 1,344.48, 2,016.80 and 370.72 is: 556.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344.48 : 2,016.80 = 370.72 : x
  2. Step 2: Convert to fraction form
    1,344.48/2,016.80 = 370.72/x
  3. Step 3: Cross multiply
    1,344.48x = 2,016.80 × 370.72
  4. Step 4: Simplify right side
    1,344.48x = 747,668.10
  5. Step 5: Solve for x
    x = 747,668.10/1,344.48
  6. Step 6: Final answer
    x = 556.10

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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.