Home / 1,652.23-2,479.55-1,331.47

Finding the Fourth Proportional to 1,652.23, 2,479.55 and 1,331.47

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Solution

The fourth proportional to 1,652.23, 2,479.55 and 1,331.47 is: 1,998.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,652.23 : 2,479.55 = 1,331.47 : x
  2. Step 2: Convert to fraction form
    1,652.23/2,479.55 = 1,331.47/x
  3. Step 3: Cross multiply
    1,652.23x = 2,479.55 × 1,331.47
  4. Step 4: Simplify right side
    1,652.23x = 3,301,446.44
  5. Step 5: Solve for x
    x = 3,301,446.44/1,652.23
  6. Step 6: Final answer
    x = 1,998.18

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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.