Home / 2,799.95-4,197.49-1,412.12

Finding the Fourth Proportional to 2,799.95, 4,197.49 and 1,412.12

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Solution

The fourth proportional to 2,799.95, 4,197.49 and 1,412.12 is: 2,116.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.95 : 4,197.49 = 1,412.12 : x
  2. Step 2: Convert to fraction form
    2,799.95/4,197.49 = 1,412.12/x
  3. Step 3: Cross multiply
    2,799.95x = 4,197.49 × 1,412.12
  4. Step 4: Simplify right side
    2,799.95x = 5,927,366.54
  5. Step 5: Solve for x
    x = 5,927,366.54/2,799.95
  6. Step 6: Final answer
    x = 2,116.96

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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.