Home / 1,549.23-2,137.94-886.04

Finding the Fourth Proportional to 1,549.23, 2,137.94 and 886.04

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Solution

The fourth proportional to 1,549.23, 2,137.94 and 886.04 is: 1,222.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549.23 : 2,137.94 = 886.04 : x
  2. Step 2: Convert to fraction form
    1,549.23/2,137.94 = 886.04/x
  3. Step 3: Cross multiply
    1,549.23x = 2,137.94 × 886.04
  4. Step 4: Simplify right side
    1,549.23x = 1,894,301.56
  5. Step 5: Solve for x
    x = 1,894,301.56/1,549.23
  6. Step 6: Final answer
    x = 1,222.74

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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.