Home / 3,500.60-5,247.18-1,855.46

Finding the Fourth Proportional to 3,500.60, 5,247.18 and 1,855.46

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Solution

The fourth proportional to 3,500.60, 5,247.18 and 1,855.46 is: 2,781.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500.60 : 5,247.18 = 1,855.46 : x
  2. Step 2: Convert to fraction form
    3,500.60/5,247.18 = 1,855.46/x
  3. Step 3: Cross multiply
    3,500.60x = 5,247.18 × 1,855.46
  4. Step 4: Simplify right side
    3,500.60x = 9,735,932.60
  5. Step 5: Solve for x
    x = 9,735,932.60/3,500.60
  6. Step 6: Final answer
    x = 2,781.22

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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.