Home / 1,435.27-2,151.07-1,249.41

Finding the Fourth Proportional to 1,435.27, 2,151.07 and 1,249.41

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Solution

The fourth proportional to 1,435.27, 2,151.07 and 1,249.41 is: 1,872.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435.27 : 2,151.07 = 1,249.41 : x
  2. Step 2: Convert to fraction form
    1,435.27/2,151.07 = 1,249.41/x
  3. Step 3: Cross multiply
    1,435.27x = 2,151.07 × 1,249.41
  4. Step 4: Simplify right side
    1,435.27x = 2,687,572.04
  5. Step 5: Solve for x
    x = 2,687,572.04/1,435.27
  6. Step 6: Final answer
    x = 1,872.52

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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.