Home / 2,833.38-3,909.87-1,574.43

Finding the Fourth Proportional to 2,833.38, 3,909.87 and 1,574.43

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Solution

The fourth proportional to 2,833.38, 3,909.87 and 1,574.43 is: 2,172.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,833.38 : 3,909.87 = 1,574.43 : x
  2. Step 2: Convert to fraction form
    2,833.38/3,909.87 = 1,574.43/x
  3. Step 3: Cross multiply
    2,833.38x = 3,909.87 × 1,574.43
  4. Step 4: Simplify right side
    2,833.38x = 6,155,816.62
  5. Step 5: Solve for x
    x = 6,155,816.62/2,833.38
  6. Step 6: Final answer
    x = 2,172.61

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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.