Home / 1,842.60-2,543.62-1,180.36

Finding the Fourth Proportional to 1,842.60, 2,543.62 and 1,180.36

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Solution

The fourth proportional to 1,842.60, 2,543.62 and 1,180.36 is: 1,629.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842.60 : 2,543.62 = 1,180.36 : x
  2. Step 2: Convert to fraction form
    1,842.60/2,543.62 = 1,180.36/x
  3. Step 3: Cross multiply
    1,842.60x = 2,543.62 × 1,180.36
  4. Step 4: Simplify right side
    1,842.60x = 3,002,387.30
  5. Step 5: Solve for x
    x = 3,002,387.30/1,842.60
  6. Step 6: Final answer
    x = 1,629.43

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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.