Home / 2,799.09-4,199.45-1,339.47

Finding the Fourth Proportional to 2,799.09, 4,199.45 and 1,339.47

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Solution

The fourth proportional to 2,799.09, 4,199.45 and 1,339.47 is: 2,009.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.09 : 4,199.45 = 1,339.47 : x
  2. Step 2: Convert to fraction form
    2,799.09/4,199.45 = 1,339.47/x
  3. Step 3: Cross multiply
    2,799.09x = 4,199.45 × 1,339.47
  4. Step 4: Simplify right side
    2,799.09x = 5,625,030.59
  5. Step 5: Solve for x
    x = 5,625,030.59/2,799.09
  6. Step 6: Final answer
    x = 2,009.59

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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.