Home / 3,803.20-5,251.14-3,005.32

Finding the Fourth Proportional to 3,803.20, 5,251.14 and 3,005.32

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Solution

The fourth proportional to 3,803.20, 5,251.14 and 3,005.32 is: 4,149.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.20 : 5,251.14 = 3,005.32 : x
  2. Step 2: Convert to fraction form
    3,803.20/5,251.14 = 3,005.32/x
  3. Step 3: Cross multiply
    3,803.20x = 5,251.14 × 3,005.32
  4. Step 4: Simplify right side
    3,803.20x = 15,781,356.06
  5. Step 5: Solve for x
    x = 15,781,356.06/3,803.20
  6. Step 6: Final answer
    x = 4,149.49

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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.