Home / 3,000.35-4,498.40-1,149.90

Finding the Fourth Proportional to 3,000.35, 4,498.40 and 1,149.90

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Solution

The fourth proportional to 3,000.35, 4,498.40 and 1,149.90 is: 1,724.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.35 : 4,498.40 = 1,149.90 : x
  2. Step 2: Convert to fraction form
    3,000.35/4,498.40 = 1,149.90/x
  3. Step 3: Cross multiply
    3,000.35x = 4,498.40 × 1,149.90
  4. Step 4: Simplify right side
    3,000.35x = 5,172,704.41
  5. Step 5: Solve for x
    x = 5,172,704.41/3,000.35
  6. Step 6: Final answer
    x = 1,724.04

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1.5x scale

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.