Home / 2,836.61-4,256.35-1,276.29

Finding the Fourth Proportional to 2,836.61, 4,256.35 and 1,276.29

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Solution

The fourth proportional to 2,836.61, 4,256.35 and 1,276.29 is: 1,915.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.61 : 4,256.35 = 1,276.29 : x
  2. Step 2: Convert to fraction form
    2,836.61/4,256.35 = 1,276.29/x
  3. Step 3: Cross multiply
    2,836.61x = 4,256.35 × 1,276.29
  4. Step 4: Simplify right side
    2,836.61x = 5,432,333.75
  5. Step 5: Solve for x
    x = 5,432,333.75/2,836.61
  6. Step 6: Final answer
    x = 1,915.08

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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.