Home / 2,298.20-3,446.66-631.92

Finding the Fourth Proportional to 2,298.20, 3,446.66 and 631.92

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Solution

The fourth proportional to 2,298.20, 3,446.66 and 631.92 is: 947.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,298.20 : 3,446.66 = 631.92 : x
  2. Step 2: Convert to fraction form
    2,298.20/3,446.66 = 631.92/x
  3. Step 3: Cross multiply
    2,298.20x = 3,446.66 × 631.92
  4. Step 4: Simplify right side
    2,298.20x = 2,178,013.39
  5. Step 5: Solve for x
    x = 2,178,013.39/2,298.20
  6. Step 6: Final answer
    x = 947.70

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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.