Home / 3,586.80-5,372.40-2,195.92

Finding the Fourth Proportional to 3,586.80, 5,372.40 and 2,195.92

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Solution

The fourth proportional to 3,586.80, 5,372.40 and 2,195.92 is: 3,289.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.80 : 5,372.40 = 2,195.92 : x
  2. Step 2: Convert to fraction form
    3,586.80/5,372.40 = 2,195.92/x
  3. Step 3: Cross multiply
    3,586.80x = 5,372.40 × 2,195.92
  4. Step 4: Simplify right side
    3,586.80x = 11,797,360.61
  5. Step 5: Solve for x
    x = 11,797,360.61/3,586.80
  6. Step 6: Final answer
    x = 3,289.10

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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.