Home / 2,248.12-3,371.01-861.04

Finding the Fourth Proportional to 2,248.12, 3,371.01 and 861.04

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Solution

The fourth proportional to 2,248.12, 3,371.01 and 861.04 is: 1,291.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,248.12 : 3,371.01 = 861.04 : x
  2. Step 2: Convert to fraction form
    2,248.12/3,371.01 = 861.04/x
  3. Step 3: Cross multiply
    2,248.12x = 3,371.01 × 861.04
  4. Step 4: Simplify right side
    2,248.12x = 2,902,574.45
  5. Step 5: Solve for x
    x = 2,902,574.45/2,248.12
  6. Step 6: Final answer
    x = 1,291.11

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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.