Home / 4,151.78-5,728.08-2,359.05

Finding the Fourth Proportional to 4,151.78, 5,728.08 and 2,359.05

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Solution

The fourth proportional to 4,151.78, 5,728.08 and 2,359.05 is: 3,254.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,151.78 : 5,728.08 = 2,359.05 : x
  2. Step 2: Convert to fraction form
    4,151.78/5,728.08 = 2,359.05/x
  3. Step 3: Cross multiply
    4,151.78x = 5,728.08 × 2,359.05
  4. Step 4: Simplify right side
    4,151.78x = 13,512,796.80
  5. Step 5: Solve for x
    x = 13,512,796.80/4,151.78
  6. Step 6: Final answer
    x = 3,254.70

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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.