Home / 1,741.38-2,607.21-1,449.78

Finding the Fourth Proportional to 1,741.38, 2,607.21 and 1,449.78

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Solution

The fourth proportional to 1,741.38, 2,607.21 and 1,449.78 is: 2,170.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,741.38 : 2,607.21 = 1,449.78 : x
  2. Step 2: Convert to fraction form
    1,741.38/2,607.21 = 1,449.78/x
  3. Step 3: Cross multiply
    1,741.38x = 2,607.21 × 1,449.78
  4. Step 4: Simplify right side
    1,741.38x = 3,779,880.91
  5. Step 5: Solve for x
    x = 3,779,880.91/1,741.38
  6. Step 6: Final answer
    x = 2,170.62

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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.