Home / 2,310.26-3,465.86-1,078.11

Finding the Fourth Proportional to 2,310.26, 3,465.86 and 1,078.11

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Solution

The fourth proportional to 2,310.26, 3,465.86 and 1,078.11 is: 1,617.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310.26 : 3,465.86 = 1,078.11 : x
  2. Step 2: Convert to fraction form
    2,310.26/3,465.86 = 1,078.11/x
  3. Step 3: Cross multiply
    2,310.26x = 3,465.86 × 1,078.11
  4. Step 4: Simplify right side
    2,310.26x = 3,736,572.93
  5. Step 5: Solve for x
    x = 3,736,572.93/2,310.26
  6. Step 6: Final answer
    x = 1,617.39

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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.