Home / 2,854.08-3,919.68-2,387.52

Finding the Fourth Proportional to 2,854.08, 3,919.68 and 2,387.52

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Solution

The fourth proportional to 2,854.08, 3,919.68 and 2,387.52 is: 3,278.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,854.08 : 3,919.68 = 2,387.52 : x
  2. Step 2: Convert to fraction form
    2,854.08/3,919.68 = 2,387.52/x
  3. Step 3: Cross multiply
    2,854.08x = 3,919.68 × 2,387.52
  4. Step 4: Simplify right side
    2,854.08x = 9,358,314.39
  5. Step 5: Solve for x
    x = 9,358,314.39/2,854.08
  6. Step 6: Final answer
    x = 3,278.93

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.