Home / 1,446.77-2,170.45-581.15

Finding the Fourth Proportional to 1,446.77, 2,170.45 and 581.15

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Solution

The fourth proportional to 1,446.77, 2,170.45 and 581.15 is: 871.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446.77 : 2,170.45 = 581.15 : x
  2. Step 2: Convert to fraction form
    1,446.77/2,170.45 = 581.15/x
  3. Step 3: Cross multiply
    1,446.77x = 2,170.45 × 581.15
  4. Step 4: Simplify right side
    1,446.77x = 1,261,344.71
  5. Step 5: Solve for x
    x = 1,261,344.71/1,446.77
  6. Step 6: Final answer
    x = 871.84

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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.