Home / 3,726.40-5,592.80-1,649.60

Finding the Fourth Proportional to 3,726.40, 5,592.80 and 1,649.60

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Solution

The fourth proportional to 3,726.40, 5,592.80 and 1,649.60 is: 2,475.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.40 : 5,592.80 = 1,649.60 : x
  2. Step 2: Convert to fraction form
    3,726.40/5,592.80 = 1,649.60/x
  3. Step 3: Cross multiply
    3,726.40x = 5,592.80 × 1,649.60
  4. Step 4: Simplify right side
    3,726.40x = 9,225,882.88
  5. Step 5: Solve for x
    x = 9,225,882.88/3,726.40
  6. Step 6: Final answer
    x = 2,475.82

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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.