Home / 3,543.25-5,307.59-2,078.88

Finding the Fourth Proportional to 3,543.25, 5,307.59 and 2,078.88

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Solution

The fourth proportional to 3,543.25, 5,307.59 and 2,078.88 is: 3,114.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.25 : 5,307.59 = 2,078.88 : x
  2. Step 2: Convert to fraction form
    3,543.25/5,307.59 = 2,078.88/x
  3. Step 3: Cross multiply
    3,543.25x = 5,307.59 × 2,078.88
  4. Step 4: Simplify right side
    3,543.25x = 11,033,842.70
  5. Step 5: Solve for x
    x = 11,033,842.70/3,543.25
  6. Step 6: Final answer
    x = 3,114.05

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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.