Home / 2,265.06-3,395.34-1,278.39

Finding the Fourth Proportional to 2,265.06, 3,395.34 and 1,278.39

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Solution

The fourth proportional to 2,265.06, 3,395.34 and 1,278.39 is: 1,916.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265.06 : 3,395.34 = 1,278.39 : x
  2. Step 2: Convert to fraction form
    2,265.06/3,395.34 = 1,278.39/x
  3. Step 3: Cross multiply
    2,265.06x = 3,395.34 × 1,278.39
  4. Step 4: Simplify right side
    2,265.06x = 4,340,568.70
  5. Step 5: Solve for x
    x = 4,340,568.70/2,265.06
  6. Step 6: Final answer
    x = 1,916.32

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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.