Home / 3,709.79-5,561.45-1,517.12

Finding the Fourth Proportional to 3,709.79, 5,561.45 and 1,517.12

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Solution

The fourth proportional to 3,709.79, 5,561.45 and 1,517.12 is: 2,274.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.79 : 5,561.45 = 1,517.12 : x
  2. Step 2: Convert to fraction form
    3,709.79/5,561.45 = 1,517.12/x
  3. Step 3: Cross multiply
    3,709.79x = 5,561.45 × 1,517.12
  4. Step 4: Simplify right side
    3,709.79x = 8,437,387.02
  5. Step 5: Solve for x
    x = 8,437,387.02/3,709.79
  6. Step 6: Final answer
    x = 2,274.36

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1.5x scale

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.