Home / 2,543.94-3,815.64-1,241.46

Finding the Fourth Proportional to 2,543.94, 3,815.64 and 1,241.46

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Solution

The fourth proportional to 2,543.94, 3,815.64 and 1,241.46 is: 1,862.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,543.94 : 3,815.64 = 1,241.46 : x
  2. Step 2: Convert to fraction form
    2,543.94/3,815.64 = 1,241.46/x
  3. Step 3: Cross multiply
    2,543.94x = 3,815.64 × 1,241.46
  4. Step 4: Simplify right side
    2,543.94x = 4,736,964.43
  5. Step 5: Solve for x
    x = 4,736,964.43/2,543.94
  6. Step 6: Final answer
    x = 1,862.06

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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.