Home / 3,868.08-5,338.38-2,452.20

Finding the Fourth Proportional to 3,868.08, 5,338.38 and 2,452.20

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Solution

The fourth proportional to 3,868.08, 5,338.38 and 2,452.20 is: 3,384.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868.08 : 5,338.38 = 2,452.20 : x
  2. Step 2: Convert to fraction form
    3,868.08/5,338.38 = 2,452.20/x
  3. Step 3: Cross multiply
    3,868.08x = 5,338.38 × 2,452.20
  4. Step 4: Simplify right side
    3,868.08x = 13,090,775.44
  5. Step 5: Solve for x
    x = 13,090,775.44/3,868.08
  6. Step 6: Final answer
    x = 3,384.31

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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.