Home / 3,822.50-5,275.25-2,251.10

Finding the Fourth Proportional to 3,822.50, 5,275.25 and 2,251.10

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Solution

The fourth proportional to 3,822.50, 5,275.25 and 2,251.10 is: 3,106.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822.50 : 5,275.25 = 2,251.10 : x
  2. Step 2: Convert to fraction form
    3,822.50/5,275.25 = 2,251.10/x
  3. Step 3: Cross multiply
    3,822.50x = 5,275.25 × 2,251.10
  4. Step 4: Simplify right side
    3,822.50x = 11,875,115.28
  5. Step 5: Solve for x
    x = 11,875,115.28/3,822.50
  6. Step 6: Final answer
    x = 3,106.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.