Home / 2,630.27-3,943.96-1,069.88

Finding the Fourth Proportional to 2,630.27, 3,943.96 and 1,069.88

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Solution

The fourth proportional to 2,630.27, 3,943.96 and 1,069.88 is: 1,604.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630.27 : 3,943.96 = 1,069.88 : x
  2. Step 2: Convert to fraction form
    2,630.27/3,943.96 = 1,069.88/x
  3. Step 3: Cross multiply
    2,630.27x = 3,943.96 × 1,069.88
  4. Step 4: Simplify right side
    2,630.27x = 4,219,541.53
  5. Step 5: Solve for x
    x = 4,219,541.53/2,630.27
  6. Step 6: Final answer
    x = 1,604.22

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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.