Home / 3,320.38-4,581.02-1,922.14

Finding the Fourth Proportional to 3,320.38, 4,581.02 and 1,922.14

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Solution

The fourth proportional to 3,320.38, 4,581.02 and 1,922.14 is: 2,651.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.38 : 4,581.02 = 1,922.14 : x
  2. Step 2: Convert to fraction form
    3,320.38/4,581.02 = 1,922.14/x
  3. Step 3: Cross multiply
    3,320.38x = 4,581.02 × 1,922.14
  4. Step 4: Simplify right side
    3,320.38x = 8,805,361.78
  5. Step 5: Solve for x
    x = 8,805,361.78/3,320.38
  6. Step 6: Final answer
    x = 2,651.91

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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.