Home / 3,660.20-5,490.28-1,468.90

Finding the Fourth Proportional to 3,660.20, 5,490.28 and 1,468.90

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Solution

The fourth proportional to 3,660.20, 5,490.28 and 1,468.90 is: 2,203.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.20 : 5,490.28 = 1,468.90 : x
  2. Step 2: Convert to fraction form
    3,660.20/5,490.28 = 1,468.90/x
  3. Step 3: Cross multiply
    3,660.20x = 5,490.28 × 1,468.90
  4. Step 4: Simplify right side
    3,660.20x = 8,064,672.29
  5. Step 5: Solve for x
    x = 8,064,672.29/3,660.20
  6. Step 6: Final answer
    x = 2,203.34

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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.