Home / 3,539.25-5,312.97-2,760.12

Finding the Fourth Proportional to 3,539.25, 5,312.97 and 2,760.12

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Solution

The fourth proportional to 3,539.25, 5,312.97 and 2,760.12 is: 4,143.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.25 : 5,312.97 = 2,760.12 : x
  2. Step 2: Convert to fraction form
    3,539.25/5,312.97 = 2,760.12/x
  3. Step 3: Cross multiply
    3,539.25x = 5,312.97 × 2,760.12
  4. Step 4: Simplify right side
    3,539.25x = 14,664,434.76
  5. Step 5: Solve for x
    x = 14,664,434.76/3,539.25
  6. Step 6: Final answer
    x = 4,143.37

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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.