Home / 2,854.24-4,279.80-2,664.40

Finding the Fourth Proportional to 2,854.24, 4,279.80 and 2,664.40

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Solution

The fourth proportional to 2,854.24, 4,279.80 and 2,664.40 is: 3,995.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,854.24 : 4,279.80 = 2,664.40 : x
  2. Step 2: Convert to fraction form
    2,854.24/4,279.80 = 2,664.40/x
  3. Step 3: Cross multiply
    2,854.24x = 4,279.80 × 2,664.40
  4. Step 4: Simplify right side
    2,854.24x = 11,403,099.12
  5. Step 5: Solve for x
    x = 11,403,099.12/2,854.24
  6. Step 6: Final answer
    x = 3,995.14

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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.