Home / 2,878.18-4,317-1,339.18

Finding the Fourth Proportional to 2,878.18, 4,317 and 1,339.18

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Solution

The fourth proportional to 2,878.18, 4,317 and 1,339.18 is: 2,008.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878.18 : 4,317 = 1,339.18 : x
  2. Step 2: Convert to fraction form
    2,878.18/4,317 = 1,339.18/x
  3. Step 3: Cross multiply
    2,878.18x = 4,317 × 1,339.18
  4. Step 4: Simplify right side
    2,878.18x = 5,781,240.06
  5. Step 5: Solve for x
    x = 5,781,240.06/2,878.18
  6. Step 6: Final answer
    x = 2,008.64

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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.