Home / 3,760.24-5,642.28-1,540.69

Finding the Fourth Proportional to 3,760.24, 5,642.28 and 1,540.69

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Solution

The fourth proportional to 3,760.24, 5,642.28 and 1,540.69 is: 2,311.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760.24 : 5,642.28 = 1,540.69 : x
  2. Step 2: Convert to fraction form
    3,760.24/5,642.28 = 1,540.69/x
  3. Step 3: Cross multiply
    3,760.24x = 5,642.28 × 1,540.69
  4. Step 4: Simplify right side
    3,760.24x = 8,692,994.60
  5. Step 5: Solve for x
    x = 8,692,994.60/3,760.24
  6. Step 6: Final answer
    x = 2,311.82

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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.