Home / 3,481.52-5,220.23-2,312.16

Finding the Fourth Proportional to 3,481.52, 5,220.23 and 2,312.16

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Solution

The fourth proportional to 3,481.52, 5,220.23 and 2,312.16 is: 3,466.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.52 : 5,220.23 = 2,312.16 : x
  2. Step 2: Convert to fraction form
    3,481.52/5,220.23 = 2,312.16/x
  3. Step 3: Cross multiply
    3,481.52x = 5,220.23 × 2,312.16
  4. Step 4: Simplify right side
    3,481.52x = 12,070,007.00
  5. Step 5: Solve for x
    x = 12,070,007.00/3,481.52
  6. Step 6: Final answer
    x = 3,466.88

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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.