Home / 3,387.28-5,080.08-2,298.40

Finding the Fourth Proportional to 3,387.28, 5,080.08 and 2,298.40

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Solution

The fourth proportional to 3,387.28, 5,080.08 and 2,298.40 is: 3,447.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.28 : 5,080.08 = 2,298.40 : x
  2. Step 2: Convert to fraction form
    3,387.28/5,080.08 = 2,298.40/x
  3. Step 3: Cross multiply
    3,387.28x = 5,080.08 × 2,298.40
  4. Step 4: Simplify right side
    3,387.28x = 11,676,055.87
  5. Step 5: Solve for x
    x = 11,676,055.87/3,387.28
  6. Step 6: Final answer
    x = 3,447.03

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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.