Home / 3,360.30-5,034.72-2,188.53

Finding the Fourth Proportional to 3,360.30, 5,034.72 and 2,188.53

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Solution

The fourth proportional to 3,360.30, 5,034.72 and 2,188.53 is: 3,279.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.30 : 5,034.72 = 2,188.53 : x
  2. Step 2: Convert to fraction form
    3,360.30/5,034.72 = 2,188.53/x
  3. Step 3: Cross multiply
    3,360.30x = 5,034.72 × 2,188.53
  4. Step 4: Simplify right side
    3,360.30x = 11,018,635.76
  5. Step 5: Solve for x
    x = 11,018,635.76/3,360.30
  6. Step 6: Final answer
    x = 3,279.06

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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.