Home / 2,853.88-4,275.28-1,877.04

Finding the Fourth Proportional to 2,853.88, 4,275.28 and 1,877.04

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Solution

The fourth proportional to 2,853.88, 4,275.28 and 1,877.04 is: 2,811.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853.88 : 4,275.28 = 1,877.04 : x
  2. Step 2: Convert to fraction form
    2,853.88/4,275.28 = 1,877.04/x
  3. Step 3: Cross multiply
    2,853.88x = 4,275.28 × 1,877.04
  4. Step 4: Simplify right side
    2,853.88x = 8,024,871.57
  5. Step 5: Solve for x
    x = 8,024,871.57/2,853.88
  6. Step 6: Final answer
    x = 2,811.92

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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.