Home / 2,818.89-3,884.81-2,318.49

Finding the Fourth Proportional to 2,818.89, 3,884.81 and 2,318.49

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Solution

The fourth proportional to 2,818.89, 3,884.81 and 2,318.49 is: 3,195.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818.89 : 3,884.81 = 2,318.49 : x
  2. Step 2: Convert to fraction form
    2,818.89/3,884.81 = 2,318.49/x
  3. Step 3: Cross multiply
    2,818.89x = 3,884.81 × 2,318.49
  4. Step 4: Simplify right side
    2,818.89x = 9,006,881.54
  5. Step 5: Solve for x
    x = 9,006,881.54/2,818.89
  6. Step 6: Final answer
    x = 3,195.19

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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.