Home / 2,849.86-4,275.40-1,206.44

Finding the Fourth Proportional to 2,849.86, 4,275.40 and 1,206.44

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Solution

The fourth proportional to 2,849.86, 4,275.40 and 1,206.44 is: 1,809.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.86 : 4,275.40 = 1,206.44 : x
  2. Step 2: Convert to fraction form
    2,849.86/4,275.40 = 1,206.44/x
  3. Step 3: Cross multiply
    2,849.86x = 4,275.40 × 1,206.44
  4. Step 4: Simplify right side
    2,849.86x = 5,158,013.58
  5. Step 5: Solve for x
    x = 5,158,013.58/2,849.86
  6. Step 6: Final answer
    x = 1,809.92

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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.