Home / 2,419.52-3,340.19-1,879.95

Finding the Fourth Proportional to 2,419.52, 3,340.19 and 1,879.95

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Solution

The fourth proportional to 2,419.52, 3,340.19 and 1,879.95 is: 2,595.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419.52 : 3,340.19 = 1,879.95 : x
  2. Step 2: Convert to fraction form
    2,419.52/3,340.19 = 1,879.95/x
  3. Step 3: Cross multiply
    2,419.52x = 3,340.19 × 1,879.95
  4. Step 4: Simplify right side
    2,419.52x = 6,279,390.19
  5. Step 5: Solve for x
    x = 6,279,390.19/2,419.52
  6. Step 6: Final answer
    x = 2,595.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.