Home / 3,211.30-4,801.12-2,723.15

Finding the Fourth Proportional to 3,211.30, 4,801.12 and 2,723.15

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Solution

The fourth proportional to 3,211.30, 4,801.12 and 2,723.15 is: 4,071.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.30 : 4,801.12 = 2,723.15 : x
  2. Step 2: Convert to fraction form
    3,211.30/4,801.12 = 2,723.15/x
  3. Step 3: Cross multiply
    3,211.30x = 4,801.12 × 2,723.15
  4. Step 4: Simplify right side
    3,211.30x = 13,074,169.93
  5. Step 5: Solve for x
    x = 13,074,169.93/3,211.30
  6. Step 6: Final answer
    x = 4,071.31

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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.