Home / 3,760.90-5,642.28-1,163.76

Finding the Fourth Proportional to 3,760.90, 5,642.28 and 1,163.76

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Solution

The fourth proportional to 3,760.90, 5,642.28 and 1,163.76 is: 1,745.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760.90 : 5,642.28 = 1,163.76 : x
  2. Step 2: Convert to fraction form
    3,760.90/5,642.28 = 1,163.76/x
  3. Step 3: Cross multiply
    3,760.90x = 5,642.28 × 1,163.76
  4. Step 4: Simplify right side
    3,760.90x = 6,566,259.77
  5. Step 5: Solve for x
    x = 6,566,259.77/3,760.90
  6. Step 6: Final answer
    x = 1,745.93

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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.