Home / 2,375.64-3,277.77-1,431.12

Finding the Fourth Proportional to 2,375.64, 3,277.77 and 1,431.12

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Solution

The fourth proportional to 2,375.64, 3,277.77 and 1,431.12 is: 1,974.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,375.64 : 3,277.77 = 1,431.12 : x
  2. Step 2: Convert to fraction form
    2,375.64/3,277.77 = 1,431.12/x
  3. Step 3: Cross multiply
    2,375.64x = 3,277.77 × 1,431.12
  4. Step 4: Simplify right side
    2,375.64x = 4,690,882.20
  5. Step 5: Solve for x
    x = 4,690,882.20/2,375.64
  6. Step 6: Final answer
    x = 1,974.58

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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.