Home / 2,843.18-4,253.63-1,871.18

Finding the Fourth Proportional to 2,843.18, 4,253.63 and 1,871.18

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Solution

The fourth proportional to 2,843.18, 4,253.63 and 1,871.18 is: 2,799.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,843.18 : 4,253.63 = 1,871.18 : x
  2. Step 2: Convert to fraction form
    2,843.18/4,253.63 = 1,871.18/x
  3. Step 3: Cross multiply
    2,843.18x = 4,253.63 × 1,871.18
  4. Step 4: Simplify right side
    2,843.18x = 7,959,276.76
  5. Step 5: Solve for x
    x = 7,959,276.76/2,843.18
  6. Step 6: Final answer
    x = 2,799.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.