Home / 2,700.04-4,049.32-1,917.72

Finding the Fourth Proportional to 2,700.04, 4,049.32 and 1,917.72

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Solution

The fourth proportional to 2,700.04, 4,049.32 and 1,917.72 is: 2,876.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,700.04 : 4,049.32 = 1,917.72 : x
  2. Step 2: Convert to fraction form
    2,700.04/4,049.32 = 1,917.72/x
  3. Step 3: Cross multiply
    2,700.04x = 4,049.32 × 1,917.72
  4. Step 4: Simplify right side
    2,700.04x = 7,765,461.95
  5. Step 5: Solve for x
    x = 7,765,461.95/2,700.04
  6. Step 6: Final answer
    x = 2,876.05

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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.