Home / 3,803.12-5,248.65-2,311.41

Finding the Fourth Proportional to 3,803.12, 5,248.65 and 2,311.41

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Solution

The fourth proportional to 3,803.12, 5,248.65 and 2,311.41 is: 3,189.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.12 : 5,248.65 = 2,311.41 : x
  2. Step 2: Convert to fraction form
    3,803.12/5,248.65 = 2,311.41/x
  3. Step 3: Cross multiply
    3,803.12x = 5,248.65 × 2,311.41
  4. Step 4: Simplify right side
    3,803.12x = 12,131,782.10
  5. Step 5: Solve for x
    x = 12,131,782.10/3,803.12
  6. Step 6: Final answer
    x = 3,189.96

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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.