Home / 3,489.60-5,230.08-2,098.56

Finding the Fourth Proportional to 3,489.60, 5,230.08 and 2,098.56

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Solution

The fourth proportional to 3,489.60, 5,230.08 and 2,098.56 is: 3,145.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489.60 : 5,230.08 = 2,098.56 : x
  2. Step 2: Convert to fraction form
    3,489.60/5,230.08 = 2,098.56/x
  3. Step 3: Cross multiply
    3,489.60x = 5,230.08 × 2,098.56
  4. Step 4: Simplify right side
    3,489.60x = 10,975,636.68
  5. Step 5: Solve for x
    x = 10,975,636.68/3,489.60
  6. Step 6: Final answer
    x = 3,145.24

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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.