Home / 3,360.21-5,034.28-3,162.55

Finding the Fourth Proportional to 3,360.21, 5,034.28 and 3,162.55

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Solution

The fourth proportional to 3,360.21, 5,034.28 and 3,162.55 is: 4,738.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.21 : 5,034.28 = 3,162.55 : x
  2. Step 2: Convert to fraction form
    3,360.21/5,034.28 = 3,162.55/x
  3. Step 3: Cross multiply
    3,360.21x = 5,034.28 × 3,162.55
  4. Step 4: Simplify right side
    3,360.21x = 15,921,162.21
  5. Step 5: Solve for x
    x = 15,921,162.21/3,360.21
  6. Step 6: Final answer
    x = 4,738.15

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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.