Home / 2,833.11-3,909.62-1,574.09

Finding the Fourth Proportional to 2,833.11, 3,909.62 and 1,574.09

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Solution

The fourth proportional to 2,833.11, 3,909.62 and 1,574.09 is: 2,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,833.11 : 3,909.62 = 1,574.09 : x
  2. Step 2: Convert to fraction form
    2,833.11/3,909.62 = 1,574.09/x
  3. Step 3: Cross multiply
    2,833.11x = 3,909.62 × 1,574.09
  4. Step 4: Simplify right side
    2,833.11x = 6,154,092.79
  5. Step 5: Solve for x
    x = 6,154,092.79/2,833.11
  6. Step 6: Final answer
    x = 2,172.20

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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.