Home / 3,454.90-5,182.33-2,068.64

Finding the Fourth Proportional to 3,454.90, 5,182.33 and 2,068.64

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Solution

The fourth proportional to 3,454.90, 5,182.33 and 2,068.64 is: 3,102.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.90 : 5,182.33 = 2,068.64 : x
  2. Step 2: Convert to fraction form
    3,454.90/5,182.33 = 2,068.64/x
  3. Step 3: Cross multiply
    3,454.90x = 5,182.33 × 2,068.64
  4. Step 4: Simplify right side
    3,454.90x = 10,720,367.36
  5. Step 5: Solve for x
    x = 10,720,367.36/3,454.90
  6. Step 6: Final answer
    x = 3,102.94

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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.