Home / 4,151.80-5,729.38-2,288.76

Finding the Fourth Proportional to 4,151.80, 5,729.38 and 2,288.76

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Solution

The fourth proportional to 4,151.80, 5,729.38 and 2,288.76 is: 3,158.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,151.80 : 5,729.38 = 2,288.76 : x
  2. Step 2: Convert to fraction form
    4,151.80/5,729.38 = 2,288.76/x
  3. Step 3: Cross multiply
    4,151.80x = 5,729.38 × 2,288.76
  4. Step 4: Simplify right side
    4,151.80x = 13,113,175.77
  5. Step 5: Solve for x
    x = 13,113,175.77/4,151.80
  6. Step 6: Final answer
    x = 3,158.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.