Home / 3,337.60-5,000.40-2,648.80

Finding the Fourth Proportional to 3,337.60, 5,000.40 and 2,648.80

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Solution

The fourth proportional to 3,337.60, 5,000.40 and 2,648.80 is: 3,968.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,337.60 : 5,000.40 = 2,648.80 : x
  2. Step 2: Convert to fraction form
    3,337.60/5,000.40 = 2,648.80/x
  3. Step 3: Cross multiply
    3,337.60x = 5,000.40 × 2,648.80
  4. Step 4: Simplify right side
    3,337.60x = 13,245,059.52
  5. Step 5: Solve for x
    x = 13,245,059.52/3,337.60
  6. Step 6: Final answer
    x = 3,968.44

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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.