Home / 2,836.55-4,251.15-1,518.90

Finding the Fourth Proportional to 2,836.55, 4,251.15 and 1,518.90

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Solution

The fourth proportional to 2,836.55, 4,251.15 and 1,518.90 is: 2,276.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.55 : 4,251.15 = 1,518.90 : x
  2. Step 2: Convert to fraction form
    2,836.55/4,251.15 = 1,518.90/x
  3. Step 3: Cross multiply
    2,836.55x = 4,251.15 × 1,518.90
  4. Step 4: Simplify right side
    2,836.55x = 6,457,071.74
  5. Step 5: Solve for x
    x = 6,457,071.74/2,836.55
  6. Step 6: Final answer
    x = 2,276.39

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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.