Home / 4,151.12-5,728.55-2,288.12

Finding the Fourth Proportional to 4,151.12, 5,728.55 and 2,288.12

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Solution

The fourth proportional to 4,151.12, 5,728.55 and 2,288.12 is: 3,157.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,151.12 : 5,728.55 = 2,288.12 : x
  2. Step 2: Convert to fraction form
    4,151.12/5,728.55 = 2,288.12/x
  3. Step 3: Cross multiply
    4,151.12x = 5,728.55 × 2,288.12
  4. Step 4: Simplify right side
    4,151.12x = 13,107,598.39
  5. Step 5: Solve for x
    x = 13,107,598.39/4,151.12
  6. Step 6: Final answer
    x = 3,157.61

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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.