Home / 3,152.16-4,728.36-2,228.88

Finding the Fourth Proportional to 3,152.16, 4,728.36 and 2,228.88

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Solution

The fourth proportional to 3,152.16, 4,728.36 and 2,228.88 is: 3,343.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.16 : 4,728.36 = 2,228.88 : x
  2. Step 2: Convert to fraction form
    3,152.16/4,728.36 = 2,228.88/x
  3. Step 3: Cross multiply
    3,152.16x = 4,728.36 × 2,228.88
  4. Step 4: Simplify right side
    3,152.16x = 10,538,947.04
  5. Step 5: Solve for x
    x = 10,538,947.04/3,152.16
  6. Step 6: Final answer
    x = 3,343.40

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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.