Home / 1,489.86-2,226.71-1,373.14

Finding the Fourth Proportional to 1,489.86, 2,226.71 and 1,373.14

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Solution

The fourth proportional to 1,489.86, 2,226.71 and 1,373.14 is: 2,052.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489.86 : 2,226.71 = 1,373.14 : x
  2. Step 2: Convert to fraction form
    1,489.86/2,226.71 = 1,373.14/x
  3. Step 3: Cross multiply
    1,489.86x = 2,226.71 × 1,373.14
  4. Step 4: Simplify right side
    1,489.86x = 3,057,577.70
  5. Step 5: Solve for x
    x = 3,057,577.70/1,489.86
  6. Step 6: Final answer
    x = 2,052.26

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.