Home / 3,883.68-5,359.50-2,312.55

Finding the Fourth Proportional to 3,883.68, 5,359.50 and 2,312.55

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Solution

The fourth proportional to 3,883.68, 5,359.50 and 2,312.55 is: 3,191.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,883.68 : 5,359.50 = 2,312.55 : x
  2. Step 2: Convert to fraction form
    3,883.68/5,359.50 = 2,312.55/x
  3. Step 3: Cross multiply
    3,883.68x = 5,359.50 × 2,312.55
  4. Step 4: Simplify right side
    3,883.68x = 12,394,111.73
  5. Step 5: Solve for x
    x = 12,394,111.73/3,883.68
  6. Step 6: Final answer
    x = 3,191.33

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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.