Home / 3,723.60-5,582.70-1,531.20

Finding the Fourth Proportional to 3,723.60, 5,582.70 and 1,531.20

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Solution

The fourth proportional to 3,723.60, 5,582.70 and 1,531.20 is: 2,295.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.60 : 5,582.70 = 1,531.20 : x
  2. Step 2: Convert to fraction form
    3,723.60/5,582.70 = 1,531.20/x
  3. Step 3: Cross multiply
    3,723.60x = 5,582.70 × 1,531.20
  4. Step 4: Simplify right side
    3,723.60x = 8,548,230.24
  5. Step 5: Solve for x
    x = 8,548,230.24/3,723.60
  6. Step 6: Final answer
    x = 2,295.69

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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.