Home / 1,344.19-2,016.31-370.29

Finding the Fourth Proportional to 1,344.19, 2,016.31 and 370.29

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Solution

The fourth proportional to 1,344.19, 2,016.31 and 370.29 is: 555.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344.19 : 2,016.31 = 370.29 : x
  2. Step 2: Convert to fraction form
    1,344.19/2,016.31 = 370.29/x
  3. Step 3: Cross multiply
    1,344.19x = 2,016.31 × 370.29
  4. Step 4: Simplify right side
    1,344.19x = 746,619.43
  5. Step 5: Solve for x
    x = 746,619.43/1,344.19
  6. Step 6: Final answer
    x = 555.44

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Double scale
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Similar ratio
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1.5x scale

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.