Home / 3,535.80-4,879.38-1,963.92

Finding the Fourth Proportional to 3,535.80, 4,879.38 and 1,963.92

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Solution

The fourth proportional to 3,535.80, 4,879.38 and 1,963.92 is: 2,710.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,535.80 : 4,879.38 = 1,963.92 : x
  2. Step 2: Convert to fraction form
    3,535.80/4,879.38 = 1,963.92/x
  3. Step 3: Cross multiply
    3,535.80x = 4,879.38 × 1,963.92
  4. Step 4: Simplify right side
    3,535.80x = 9,582,711.97
  5. Step 5: Solve for x
    x = 9,582,711.97/3,535.80
  6. Step 6: Final answer
    x = 2,710.20

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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.