Home / 3,884.23-5,360.48-2,312.11

Finding the Fourth Proportional to 3,884.23, 5,360.48 and 2,312.11

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Solution

The fourth proportional to 3,884.23, 5,360.48 and 2,312.11 is: 3,190.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884.23 : 5,360.48 = 2,312.11 : x
  2. Step 2: Convert to fraction form
    3,884.23/5,360.48 = 2,312.11/x
  3. Step 3: Cross multiply
    3,884.23x = 5,360.48 × 2,312.11
  4. Step 4: Simplify right side
    3,884.23x = 12,393,998.39
  5. Step 5: Solve for x
    x = 12,393,998.39/3,884.23
  6. Step 6: Final answer
    x = 3,190.85

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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.