Home / 2,511.09-3,766.23-867.69

Finding the Fourth Proportional to 2,511.09, 3,766.23 and 867.69

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Solution

The fourth proportional to 2,511.09, 3,766.23 and 867.69 is: 1,301.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,511.09 : 3,766.23 = 867.69 : x
  2. Step 2: Convert to fraction form
    2,511.09/3,766.23 = 867.69/x
  3. Step 3: Cross multiply
    2,511.09x = 3,766.23 × 867.69
  4. Step 4: Simplify right side
    2,511.09x = 3,267,920.11
  5. Step 5: Solve for x
    x = 3,267,920.11/2,511.09
  6. Step 6: Final answer
    x = 1,301.40

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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.