Home / 2,078.08-2,867.76-1,146.58

Finding the Fourth Proportional to 2,078.08, 2,867.76 and 1,146.58

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Solution

The fourth proportional to 2,078.08, 2,867.76 and 1,146.58 is: 1,582.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078.08 : 2,867.76 = 1,146.58 : x
  2. Step 2: Convert to fraction form
    2,078.08/2,867.76 = 1,146.58/x
  3. Step 3: Cross multiply
    2,078.08x = 2,867.76 × 1,146.58
  4. Step 4: Simplify right side
    2,078.08x = 3,288,116.26
  5. Step 5: Solve for x
    x = 3,288,116.26/2,078.08
  6. Step 6: Final answer
    x = 1,582.29

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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.