Home / 2,231.40-3,337.38-1,304.76

Finding the Fourth Proportional to 2,231.40, 3,337.38 and 1,304.76

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Solution

The fourth proportional to 2,231.40, 3,337.38 and 1,304.76 is: 1,951.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.40 : 3,337.38 = 1,304.76 : x
  2. Step 2: Convert to fraction form
    2,231.40/3,337.38 = 1,304.76/x
  3. Step 3: Cross multiply
    2,231.40x = 3,337.38 × 1,304.76
  4. Step 4: Simplify right side
    2,231.40x = 4,354,479.93
  5. Step 5: Solve for x
    x = 4,354,479.93/2,231.40
  6. Step 6: Final answer
    x = 1,951.46

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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.