Home / 3,815.76-5,266.32-2,324.55

Finding the Fourth Proportional to 3,815.76, 5,266.32 and 2,324.55

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Solution

The fourth proportional to 3,815.76, 5,266.32 and 2,324.55 is: 3,208.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.76 : 5,266.32 = 2,324.55 : x
  2. Step 2: Convert to fraction form
    3,815.76/5,266.32 = 2,324.55/x
  3. Step 3: Cross multiply
    3,815.76x = 5,266.32 × 2,324.55
  4. Step 4: Simplify right side
    3,815.76x = 12,241,824.16
  5. Step 5: Solve for x
    x = 12,241,824.16/3,815.76
  6. Step 6: Final answer
    x = 3,208.23

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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.