Home / 3,891.16-5,833.59-2,655.46

Finding the Fourth Proportional to 3,891.16, 5,833.59 and 2,655.46

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Solution

The fourth proportional to 3,891.16, 5,833.59 and 2,655.46 is: 3,981.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,891.16 : 5,833.59 = 2,655.46 : x
  2. Step 2: Convert to fraction form
    3,891.16/5,833.59 = 2,655.46/x
  3. Step 3: Cross multiply
    3,891.16x = 5,833.59 × 2,655.46
  4. Step 4: Simplify right side
    3,891.16x = 15,490,864.90
  5. Step 5: Solve for x
    x = 15,490,864.90/3,891.16
  6. Step 6: Final answer
    x = 3,981.04

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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.