Home / 2,458.15-3,392.12-1,339.08

Finding the Fourth Proportional to 2,458.15, 3,392.12 and 1,339.08

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Solution

The fourth proportional to 2,458.15, 3,392.12 and 1,339.08 is: 1,847.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,458.15 : 3,392.12 = 1,339.08 : x
  2. Step 2: Convert to fraction form
    2,458.15/3,392.12 = 1,339.08/x
  3. Step 3: Cross multiply
    2,458.15x = 3,392.12 × 1,339.08
  4. Step 4: Simplify right side
    2,458.15x = 4,542,323.40
  5. Step 5: Solve for x
    x = 4,542,323.40/2,458.15
  6. Step 6: Final answer
    x = 1,847.86

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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.