Home / 2,196.30-3,025.38-1,974.90

Finding the Fourth Proportional to 2,196.30, 3,025.38 and 1,974.90

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Solution

The fourth proportional to 2,196.30, 3,025.38 and 1,974.90 is: 2,720.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,196.30 : 3,025.38 = 1,974.90 : x
  2. Step 2: Convert to fraction form
    2,196.30/3,025.38 = 1,974.90/x
  3. Step 3: Cross multiply
    2,196.30x = 3,025.38 × 1,974.90
  4. Step 4: Simplify right side
    2,196.30x = 5,974,822.96
  5. Step 5: Solve for x
    x = 5,974,822.96/2,196.30
  6. Step 6: Final answer
    x = 2,720.40

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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.