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Finding the Fourth Proportional to 3,003.60, 4,500.60 and 2,590.80

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Solution

The fourth proportional to 3,003.60, 4,500.60 and 2,590.80 is: 3,882.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003.60 : 4,500.60 = 2,590.80 : x
  2. Step 2: Convert to fraction form
    3,003.60/4,500.60 = 2,590.80/x
  3. Step 3: Cross multiply
    3,003.60x = 4,500.60 × 2,590.80
  4. Step 4: Simplify right side
    3,003.60x = 11,660,154.48
  5. Step 5: Solve for x
    x = 11,660,154.48/3,003.60
  6. Step 6: Final answer
    x = 3,882.06

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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.