Home / 2,872.17-3,962.85-1,753.03

Finding the Fourth Proportional to 2,872.17, 3,962.85 and 1,753.03

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Solution

The fourth proportional to 2,872.17, 3,962.85 and 1,753.03 is: 2,418.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872.17 : 3,962.85 = 1,753.03 : x
  2. Step 2: Convert to fraction form
    2,872.17/3,962.85 = 1,753.03/x
  3. Step 3: Cross multiply
    2,872.17x = 3,962.85 × 1,753.03
  4. Step 4: Simplify right side
    2,872.17x = 6,946,994.94
  5. Step 5: Solve for x
    x = 6,946,994.94/2,872.17
  6. Step 6: Final answer
    x = 2,418.73

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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.