Home / 2,877.29-4,290.60-2,650.08

Finding the Fourth Proportional to 2,877.29, 4,290.60 and 2,650.08

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Solution

The fourth proportional to 2,877.29, 4,290.60 and 2,650.08 is: 3,951.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.29 : 4,290.60 = 2,650.08 : x
  2. Step 2: Convert to fraction form
    2,877.29/4,290.60 = 2,650.08/x
  3. Step 3: Cross multiply
    2,877.29x = 4,290.60 × 2,650.08
  4. Step 4: Simplify right side
    2,877.29x = 11,370,459.28
  5. Step 5: Solve for x
    x = 11,370,459.28/2,877.29
  6. Step 6: Final answer
    x = 3,951.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.