Home / 4,151.60-5,729.16-2,288.56

Finding the Fourth Proportional to 4,151.60, 5,729.16 and 2,288.56

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Solution

The fourth proportional to 4,151.60, 5,729.16 and 2,288.56 is: 3,158.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,151.60 : 5,729.16 = 2,288.56 : x
  2. Step 2: Convert to fraction form
    4,151.60/5,729.16 = 2,288.56/x
  3. Step 3: Cross multiply
    4,151.60x = 5,729.16 × 2,288.56
  4. Step 4: Simplify right side
    4,151.60x = 13,111,526.41
  5. Step 5: Solve for x
    x = 13,111,526.41/4,151.60
  6. Step 6: Final answer
    x = 3,158.19

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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.