Home / 1,871.11-2,584.20-1,456.48

Finding the Fourth Proportional to 1,871.11, 2,584.20 and 1,456.48

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Solution

The fourth proportional to 1,871.11, 2,584.20 and 1,456.48 is: 2,011.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871.11 : 2,584.20 = 1,456.48 : x
  2. Step 2: Convert to fraction form
    1,871.11/2,584.20 = 1,456.48/x
  3. Step 3: Cross multiply
    1,871.11x = 2,584.20 × 1,456.48
  4. Step 4: Simplify right side
    1,871.11x = 3,763,835.62
  5. Step 5: Solve for x
    x = 3,763,835.62/1,871.11
  6. Step 6: Final answer
    x = 2,011.55

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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.