Home / 2,713.45-4,071.09-1,069.12

Finding the Fourth Proportional to 2,713.45, 4,071.09 and 1,069.12

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Solution

The fourth proportional to 2,713.45, 4,071.09 and 1,069.12 is: 1,604.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,713.45 : 4,071.09 = 1,069.12 : x
  2. Step 2: Convert to fraction form
    2,713.45/4,071.09 = 1,069.12/x
  3. Step 3: Cross multiply
    2,713.45x = 4,071.09 × 1,069.12
  4. Step 4: Simplify right side
    2,713.45x = 4,352,483.74
  5. Step 5: Solve for x
    x = 4,352,483.74/2,713.45
  6. Step 6: Final answer
    x = 1,604.04

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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.