Home / 3,999.11-5,988.41-2,957.55

Finding the Fourth Proportional to 3,999.11, 5,988.41 and 2,957.55

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Solution

The fourth proportional to 3,999.11, 5,988.41 and 2,957.55 is: 4,428.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999.11 : 5,988.41 = 2,957.55 : x
  2. Step 2: Convert to fraction form
    3,999.11/5,988.41 = 2,957.55/x
  3. Step 3: Cross multiply
    3,999.11x = 5,988.41 × 2,957.55
  4. Step 4: Simplify right side
    3,999.11x = 17,711,022.00
  5. Step 5: Solve for x
    x = 17,711,022.00/3,999.11
  6. Step 6: Final answer
    x = 4,428.74

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1.5x scale

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.