Home / 3,652.20-5,470.20-1,459.80

Finding the Fourth Proportional to 3,652.20, 5,470.20 and 1,459.80

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Solution

The fourth proportional to 3,652.20, 5,470.20 and 1,459.80 is: 2,186.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,652.20 : 5,470.20 = 1,459.80 : x
  2. Step 2: Convert to fraction form
    3,652.20/5,470.20 = 1,459.80/x
  3. Step 3: Cross multiply
    3,652.20x = 5,470.20 × 1,459.80
  4. Step 4: Simplify right side
    3,652.20x = 7,985,397.96
  5. Step 5: Solve for x
    x = 7,985,397.96/3,652.20
  6. Step 6: Final answer
    x = 2,186.46

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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.