Home / 1,249.59-1,872.36-1,030.89

Finding the Fourth Proportional to 1,249.59, 1,872.36 and 1,030.89

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Solution

The fourth proportional to 1,249.59, 1,872.36 and 1,030.89 is: 1,544.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249.59 : 1,872.36 = 1,030.89 : x
  2. Step 2: Convert to fraction form
    1,249.59/1,872.36 = 1,030.89/x
  3. Step 3: Cross multiply
    1,249.59x = 1,872.36 × 1,030.89
  4. Step 4: Simplify right side
    1,249.59x = 1,930,197.20
  5. Step 5: Solve for x
    x = 1,930,197.20/1,249.59
  6. Step 6: Final answer
    x = 1,544.66

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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.