Home / 1,549.92-2,320.08-1,116.96

Finding the Fourth Proportional to 1,549.92, 2,320.08 and 1,116.96

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Solution

The fourth proportional to 1,549.92, 2,320.08 and 1,116.96 is: 1,671.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549.92 : 2,320.08 = 1,116.96 : x
  2. Step 2: Convert to fraction form
    1,549.92/2,320.08 = 1,116.96/x
  3. Step 3: Cross multiply
    1,549.92x = 2,320.08 × 1,116.96
  4. Step 4: Simplify right side
    1,549.92x = 2,591,436.56
  5. Step 5: Solve for x
    x = 2,591,436.56/1,549.92
  6. Step 6: Final answer
    x = 1,671.98

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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.