Home / 3,275.05-4,882.79-2,905.69

Finding the Fourth Proportional to 3,275.05, 4,882.79 and 2,905.69

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Solution

The fourth proportional to 3,275.05, 4,882.79 and 2,905.69 is: 4,332.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.05 : 4,882.79 = 2,905.69 : x
  2. Step 2: Convert to fraction form
    3,275.05/4,882.79 = 2,905.69/x
  3. Step 3: Cross multiply
    3,275.05x = 4,882.79 × 2,905.69
  4. Step 4: Simplify right side
    3,275.05x = 14,187,849.66
  5. Step 5: Solve for x
    x = 14,187,849.66/3,275.05
  6. Step 6: Final answer
    x = 4,332.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.