Home / 3,134.01-4,326.20-2,140.32

Finding the Fourth Proportional to 3,134.01, 4,326.20 and 2,140.32

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Solution

The fourth proportional to 3,134.01, 4,326.20 and 2,140.32 is: 2,954.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.01 : 4,326.20 = 2,140.32 : x
  2. Step 2: Convert to fraction form
    3,134.01/4,326.20 = 2,140.32/x
  3. Step 3: Cross multiply
    3,134.01x = 4,326.20 × 2,140.32
  4. Step 4: Simplify right side
    3,134.01x = 9,259,452.38
  5. Step 5: Solve for x
    x = 9,259,452.38/3,134.01
  6. Step 6: Final answer
    x = 2,954.51

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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.