Home / 1,498.85-2,249.45-1,039.85

Finding the Fourth Proportional to 1,498.85, 2,249.45 and 1,039.85

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Solution

The fourth proportional to 1,498.85, 2,249.45 and 1,039.85 is: 1,560.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498.85 : 2,249.45 = 1,039.85 : x
  2. Step 2: Convert to fraction form
    1,498.85/2,249.45 = 1,039.85/x
  3. Step 3: Cross multiply
    1,498.85x = 2,249.45 × 1,039.85
  4. Step 4: Simplify right side
    1,498.85x = 2,339,096.20
  5. Step 5: Solve for x
    x = 2,339,096.20/1,498.85
  6. Step 6: Final answer
    x = 1,560.60

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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.