Home / 3,101.12-4,652.64-2,331.20

Finding the Fourth Proportional to 3,101.12, 4,652.64 and 2,331.20

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Solution

The fourth proportional to 3,101.12, 4,652.64 and 2,331.20 is: 3,497.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.12 : 4,652.64 = 2,331.20 : x
  2. Step 2: Convert to fraction form
    3,101.12/4,652.64 = 2,331.20/x
  3. Step 3: Cross multiply
    3,101.12x = 4,652.64 × 2,331.20
  4. Step 4: Simplify right side
    3,101.12x = 10,846,234.37
  5. Step 5: Solve for x
    x = 10,846,234.37/3,101.12
  6. Step 6: Final answer
    x = 3,497.52

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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.