Home / 3,263.42-4,505.81-2,882.40

Finding the Fourth Proportional to 3,263.42, 4,505.81 and 2,882.40

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Solution

The fourth proportional to 3,263.42, 4,505.81 and 2,882.40 is: 3,979.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,263.42 : 4,505.81 = 2,882.40 : x
  2. Step 2: Convert to fraction form
    3,263.42/4,505.81 = 2,882.40/x
  3. Step 3: Cross multiply
    3,263.42x = 4,505.81 × 2,882.40
  4. Step 4: Simplify right side
    3,263.42x = 12,987,556.99
  5. Step 5: Solve for x
    x = 12,987,556.99/3,263.42
  6. Step 6: Final answer
    x = 3,979.74

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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.