Home / 3,534.30-5,289.30-2,440.80

Finding the Fourth Proportional to 3,534.30, 5,289.30 and 2,440.80

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Solution

The fourth proportional to 3,534.30, 5,289.30 and 2,440.80 is: 3,652.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,534.30 : 5,289.30 = 2,440.80 : x
  2. Step 2: Convert to fraction form
    3,534.30/5,289.30 = 2,440.80/x
  3. Step 3: Cross multiply
    3,534.30x = 5,289.30 × 2,440.80
  4. Step 4: Simplify right side
    3,534.30x = 12,910,123.44
  5. Step 5: Solve for x
    x = 12,910,123.44/3,534.30
  6. Step 6: Final answer
    x = 3,652.81

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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.