Home / 3,872.48-5,808.30-2,631.06

Finding the Fourth Proportional to 3,872.48, 5,808.30 and 2,631.06

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Solution

The fourth proportional to 3,872.48, 5,808.30 and 2,631.06 is: 3,946.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872.48 : 5,808.30 = 2,631.06 : x
  2. Step 2: Convert to fraction form
    3,872.48/5,808.30 = 2,631.06/x
  3. Step 3: Cross multiply
    3,872.48x = 5,808.30 × 2,631.06
  4. Step 4: Simplify right side
    3,872.48x = 15,281,985.80
  5. Step 5: Solve for x
    x = 15,281,985.80/3,872.48
  6. Step 6: Final answer
    x = 3,946.30

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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.