Home / 3,543.60-5,305.40-1,873.94

Finding the Fourth Proportional to 3,543.60, 5,305.40 and 1,873.94

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Solution

The fourth proportional to 3,543.60, 5,305.40 and 1,873.94 is: 2,805.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.60 : 5,305.40 = 1,873.94 : x
  2. Step 2: Convert to fraction form
    3,543.60/5,305.40 = 1,873.94/x
  3. Step 3: Cross multiply
    3,543.60x = 5,305.40 × 1,873.94
  4. Step 4: Simplify right side
    3,543.60x = 9,942,001.28
  5. Step 5: Solve for x
    x = 9,942,001.28/3,543.60
  6. Step 6: Final answer
    x = 2,805.62

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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.