Home / 2,781.72-4,153.03-2,446.92

Finding the Fourth Proportional to 2,781.72, 4,153.03 and 2,446.92

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Solution

The fourth proportional to 2,781.72, 4,153.03 and 2,446.92 is: 3,653.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,781.72 : 4,153.03 = 2,446.92 : x
  2. Step 2: Convert to fraction form
    2,781.72/4,153.03 = 2,446.92/x
  3. Step 3: Cross multiply
    2,781.72x = 4,153.03 × 2,446.92
  4. Step 4: Simplify right side
    2,781.72x = 10,162,126.05
  5. Step 5: Solve for x
    x = 10,162,126.05/2,781.72
  6. Step 6: Final answer
    x = 3,653.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.