Home / 3,351.18-5,027.28-3,146.16

Finding the Fourth Proportional to 3,351.18, 5,027.28 and 3,146.16

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Solution

The fourth proportional to 3,351.18, 5,027.28 and 3,146.16 is: 4,719.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,351.18 : 5,027.28 = 3,146.16 : x
  2. Step 2: Convert to fraction form
    3,351.18/5,027.28 = 3,146.16/x
  3. Step 3: Cross multiply
    3,351.18x = 5,027.28 × 3,146.16
  4. Step 4: Simplify right side
    3,351.18x = 15,816,627.24
  5. Step 5: Solve for x
    x = 15,816,627.24/3,351.18
  6. Step 6: Final answer
    x = 4,719.72

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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.