Home / 2,836.86-4,255.65-1,276.53

Finding the Fourth Proportional to 2,836.86, 4,255.65 and 1,276.53

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Solution

The fourth proportional to 2,836.86, 4,255.65 and 1,276.53 is: 1,914.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.86 : 4,255.65 = 1,276.53 : x
  2. Step 2: Convert to fraction form
    2,836.86/4,255.65 = 1,276.53/x
  3. Step 3: Cross multiply
    2,836.86x = 4,255.65 × 1,276.53
  4. Step 4: Simplify right side
    2,836.86x = 5,432,464.89
  5. Step 5: Solve for x
    x = 5,432,464.89/2,836.86
  6. Step 6: Final answer
    x = 1,914.96

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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.