Home / 2,202.39-3,302.54-1,278.23

Finding the Fourth Proportional to 2,202.39, 3,302.54 and 1,278.23

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Solution

The fourth proportional to 2,202.39, 3,302.54 and 1,278.23 is: 1,916.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.39 : 3,302.54 = 1,278.23 : x
  2. Step 2: Convert to fraction form
    2,202.39/3,302.54 = 1,278.23/x
  3. Step 3: Cross multiply
    2,202.39x = 3,302.54 × 1,278.23
  4. Step 4: Simplify right side
    2,202.39x = 4,221,406.17
  5. Step 5: Solve for x
    x = 4,221,406.17/2,202.39
  6. Step 6: Final answer
    x = 1,916.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.