Home / 2,304.92-3,180.76-1,256.98

Finding the Fourth Proportional to 2,304.92, 3,180.76 and 1,256.98

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Solution

The fourth proportional to 2,304.92, 3,180.76 and 1,256.98 is: 1,734.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,304.92 : 3,180.76 = 1,256.98 : x
  2. Step 2: Convert to fraction form
    2,304.92/3,180.76 = 1,256.98/x
  3. Step 3: Cross multiply
    2,304.92x = 3,180.76 × 1,256.98
  4. Step 4: Simplify right side
    2,304.92x = 3,998,151.70
  5. Step 5: Solve for x
    x = 3,998,151.70/2,304.92
  6. Step 6: Final answer
    x = 1,734.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.