Home / 1,741.42-2,403.12-1,042.75

Finding the Fourth Proportional to 1,741.42, 2,403.12 and 1,042.75

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Solution

The fourth proportional to 1,741.42, 2,403.12 and 1,042.75 is: 1,438.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,741.42 : 2,403.12 = 1,042.75 : x
  2. Step 2: Convert to fraction form
    1,741.42/2,403.12 = 1,042.75/x
  3. Step 3: Cross multiply
    1,741.42x = 2,403.12 × 1,042.75
  4. Step 4: Simplify right side
    1,741.42x = 2,505,853.38
  5. Step 5: Solve for x
    x = 2,505,853.38/1,741.42
  6. Step 6: Final answer
    x = 1,438.97

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Half scale
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Double scale
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1.5x scale

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.