Home / 2,298.20-3,447.30-1,747.40

Finding the Fourth Proportional to 2,298.20, 3,447.30 and 1,747.40

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Solution

The fourth proportional to 2,298.20, 3,447.30 and 1,747.40 is: 2,621.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,298.20 : 3,447.30 = 1,747.40 : x
  2. Step 2: Convert to fraction form
    2,298.20/3,447.30 = 1,747.40/x
  3. Step 3: Cross multiply
    2,298.20x = 3,447.30 × 1,747.40
  4. Step 4: Simplify right side
    2,298.20x = 6,023,812.02
  5. Step 5: Solve for x
    x = 6,023,812.02/2,298.20
  6. Step 6: Final answer
    x = 2,621.10

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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.