Home / 3,543.20-5,307.50-2,078.82

Finding the Fourth Proportional to 3,543.20, 5,307.50 and 2,078.82

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Solution

The fourth proportional to 3,543.20, 5,307.50 and 2,078.82 is: 3,113.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.20 : 5,307.50 = 2,078.82 : x
  2. Step 2: Convert to fraction form
    3,543.20/5,307.50 = 2,078.82/x
  3. Step 3: Cross multiply
    3,543.20x = 5,307.50 × 2,078.82
  4. Step 4: Simplify right side
    3,543.20x = 11,033,326.76
  5. Step 5: Solve for x
    x = 11,033,326.76/3,543.20
  6. Step 6: Final answer
    x = 3,113.95

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1.5x scale

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.