Home / 3,539.68-5,309.56-1,231.04

Finding the Fourth Proportional to 3,539.68, 5,309.56 and 1,231.04

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Solution

The fourth proportional to 3,539.68, 5,309.56 and 1,231.04 is: 1,846.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.68 : 5,309.56 = 1,231.04 : x
  2. Step 2: Convert to fraction form
    3,539.68/5,309.56 = 1,231.04/x
  3. Step 3: Cross multiply
    3,539.68x = 5,309.56 × 1,231.04
  4. Step 4: Simplify right side
    3,539.68x = 6,536,280.74
  5. Step 5: Solve for x
    x = 6,536,280.74/3,539.68
  6. Step 6: Final answer
    x = 1,846.57

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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.