Home / 2,833.20-3,909.95-1,574.26

Finding the Fourth Proportional to 2,833.20, 3,909.95 and 1,574.26

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Solution

The fourth proportional to 2,833.20, 3,909.95 and 1,574.26 is: 2,172.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,833.20 : 3,909.95 = 1,574.26 : x
  2. Step 2: Convert to fraction form
    2,833.20/3,909.95 = 1,574.26/x
  3. Step 3: Cross multiply
    2,833.20x = 3,909.95 × 1,574.26
  4. Step 4: Simplify right side
    2,833.20x = 6,155,272.05
  5. Step 5: Solve for x
    x = 6,155,272.05/2,833.20
  6. Step 6: Final answer
    x = 2,172.55

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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.