Home / 3,519.12-4,856.08-2,191.80

Finding the Fourth Proportional to 3,519.12, 4,856.08 and 2,191.80

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Solution

The fourth proportional to 3,519.12, 4,856.08 and 2,191.80 is: 3,024.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.12 : 4,856.08 = 2,191.80 : x
  2. Step 2: Convert to fraction form
    3,519.12/4,856.08 = 2,191.80/x
  3. Step 3: Cross multiply
    3,519.12x = 4,856.08 × 2,191.80
  4. Step 4: Simplify right side
    3,519.12x = 10,643,556.14
  5. Step 5: Solve for x
    x = 10,643,556.14/3,519.12
  6. Step 6: Final answer
    x = 3,024.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.