Home / 1,842.43-2,542.41-1,170.18

Finding the Fourth Proportional to 1,842.43, 2,542.41 and 1,170.18

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Solution

The fourth proportional to 1,842.43, 2,542.41 and 1,170.18 is: 1,614.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842.43 : 2,542.41 = 1,170.18 : x
  2. Step 2: Convert to fraction form
    1,842.43/2,542.41 = 1,170.18/x
  3. Step 3: Cross multiply
    1,842.43x = 2,542.41 × 1,170.18
  4. Step 4: Simplify right side
    1,842.43x = 2,975,071.48
  5. Step 5: Solve for x
    x = 2,975,071.48/1,842.43
  6. Step 6: Final answer
    x = 1,614.76

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Half 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.