Home / 3,816.05-5,275.33-3,422.39

Finding the Fourth Proportional to 3,816.05, 5,275.33 and 3,422.39

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Solution

The fourth proportional to 3,816.05, 5,275.33 and 3,422.39 is: 4,731.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.05 : 5,275.33 = 3,422.39 : x
  2. Step 2: Convert to fraction form
    3,816.05/5,275.33 = 3,422.39/x
  3. Step 3: Cross multiply
    3,816.05x = 5,275.33 × 3,422.39
  4. Step 4: Simplify right side
    3,816.05x = 18,054,201.71
  5. Step 5: Solve for x
    x = 18,054,201.71/3,816.05
  6. Step 6: Final answer
    x = 4,731.13

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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.