Home / 2,874.15-4,305.60-2,564.55

Finding the Fourth Proportional to 2,874.15, 4,305.60 and 2,564.55

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Solution

The fourth proportional to 2,874.15, 4,305.60 and 2,564.55 is: 3,841.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874.15 : 4,305.60 = 2,564.55 : x
  2. Step 2: Convert to fraction form
    2,874.15/4,305.60 = 2,564.55/x
  3. Step 3: Cross multiply
    2,874.15x = 4,305.60 × 2,564.55
  4. Step 4: Simplify right side
    2,874.15x = 11,041,926.48
  5. Step 5: Solve for x
    x = 11,041,926.48/2,874.15
  6. Step 6: Final answer
    x = 3,841.81

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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.