Home / 2,874.18-4,305.60-2,254.80

Finding the Fourth Proportional to 2,874.18, 4,305.60 and 2,254.80

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Solution

The fourth proportional to 2,874.18, 4,305.60 and 2,254.80 is: 3,377.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874.18 : 4,305.60 = 2,254.80 : x
  2. Step 2: Convert to fraction form
    2,874.18/4,305.60 = 2,254.80/x
  3. Step 3: Cross multiply
    2,874.18x = 4,305.60 × 2,254.80
  4. Step 4: Simplify right side
    2,874.18x = 9,708,266.88
  5. Step 5: Solve for x
    x = 9,708,266.88/2,874.18
  6. Step 6: Final answer
    x = 3,377.75

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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.