Home / 2,833.17-3,909.20-1,574.05

Finding the Fourth Proportional to 2,833.17, 3,909.20 and 1,574.05

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Solution

The fourth proportional to 2,833.17, 3,909.20 and 1,574.05 is: 2,171.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,833.17 : 3,909.20 = 1,574.05 : x
  2. Step 2: Convert to fraction form
    2,833.17/3,909.20 = 1,574.05/x
  3. Step 3: Cross multiply
    2,833.17x = 3,909.20 × 1,574.05
  4. Step 4: Simplify right side
    2,833.17x = 6,153,270.42
  5. Step 5: Solve for x
    x = 6,153,270.42/2,833.17
  6. Step 6: Final answer
    x = 2,171.87

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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.