Home / 3,481.20-5,223.63-1,534.74

Finding the Fourth Proportional to 3,481.20, 5,223.63 and 1,534.74

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Solution

The fourth proportional to 3,481.20, 5,223.63 and 1,534.74 is: 2,302.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.20 : 5,223.63 = 1,534.74 : x
  2. Step 2: Convert to fraction form
    3,481.20/5,223.63 = 1,534.74/x
  3. Step 3: Cross multiply
    3,481.20x = 5,223.63 × 1,534.74
  4. Step 4: Simplify right side
    3,481.20x = 8,016,913.91
  5. Step 5: Solve for x
    x = 8,016,913.91/3,481.20
  6. Step 6: Final answer
    x = 2,302.92

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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.