Home / 2,849.80-4,275.04-1,206.12

Finding the Fourth Proportional to 2,849.80, 4,275.04 and 1,206.12

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Solution

The fourth proportional to 2,849.80, 4,275.04 and 1,206.12 is: 1,809.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.80 : 4,275.04 = 1,206.12 : x
  2. Step 2: Convert to fraction form
    2,849.80/4,275.04 = 1,206.12/x
  3. Step 3: Cross multiply
    2,849.80x = 4,275.04 × 1,206.12
  4. Step 4: Simplify right side
    2,849.80x = 5,156,211.24
  5. Step 5: Solve for x
    x = 5,156,211.24/2,849.80
  6. Step 6: Final answer
    x = 1,809.32

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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.