Home / 3,543.28-5,307.60-2,078.02

Finding the Fourth Proportional to 3,543.28, 5,307.60 and 2,078.02

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Solution

The fourth proportional to 3,543.28, 5,307.60 and 2,078.02 is: 3,112.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.28 : 5,307.60 = 2,078.02 : x
  2. Step 2: Convert to fraction form
    3,543.28/5,307.60 = 2,078.02/x
  3. Step 3: Cross multiply
    3,543.28x = 5,307.60 × 2,078.02
  4. Step 4: Simplify right side
    3,543.28x = 11,029,298.95
  5. Step 5: Solve for x
    x = 11,029,298.95/3,543.28
  6. Step 6: Final answer
    x = 3,112.74

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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.