Home / 1,446.13-2,167.30-581.05

Finding the Fourth Proportional to 1,446.13, 2,167.30 and 581.05

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Solution

The fourth proportional to 1,446.13, 2,167.30 and 581.05 is: 870.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446.13 : 2,167.30 = 581.05 : x
  2. Step 2: Convert to fraction form
    1,446.13/2,167.30 = 581.05/x
  3. Step 3: Cross multiply
    1,446.13x = 2,167.30 × 581.05
  4. Step 4: Simplify right side
    1,446.13x = 1,259,302.79
  5. Step 5: Solve for x
    x = 1,259,302.79/1,446.13
  6. Step 6: Final answer
    x = 870.81

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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.