Home / 4,241.71-5,847.45-2,978.92

Finding the Fourth Proportional to 4,241.71, 5,847.45 and 2,978.92

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Solution

The fourth proportional to 4,241.71, 5,847.45 and 2,978.92 is: 4,106.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,241.71 : 5,847.45 = 2,978.92 : x
  2. Step 2: Convert to fraction form
    4,241.71/5,847.45 = 2,978.92/x
  3. Step 3: Cross multiply
    4,241.71x = 5,847.45 × 2,978.92
  4. Step 4: Simplify right side
    4,241.71x = 17,419,085.75
  5. Step 5: Solve for x
    x = 17,419,085.75/4,241.71
  6. Step 6: Final answer
    x = 4,106.62

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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.