Home / 2,877.18-3,970.55-2,248.44

Finding the Fourth Proportional to 2,877.18, 3,970.55 and 2,248.44

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Solution

The fourth proportional to 2,877.18, 3,970.55 and 2,248.44 is: 3,102.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.18 : 3,970.55 = 2,248.44 : x
  2. Step 2: Convert to fraction form
    2,877.18/3,970.55 = 2,248.44/x
  3. Step 3: Cross multiply
    2,877.18x = 3,970.55 × 2,248.44
  4. Step 4: Simplify right side
    2,877.18x = 8,927,543.44
  5. Step 5: Solve for x
    x = 8,927,543.44/2,877.18
  6. Step 6: Final answer
    x = 3,102.88

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1.5x scale

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.