Home / 2,176.23-3,264.33-877.68

Finding the Fourth Proportional to 2,176.23, 3,264.33 and 877.68

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Solution

The fourth proportional to 2,176.23, 3,264.33 and 877.68 is: 1,316.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.23 : 3,264.33 = 877.68 : x
  2. Step 2: Convert to fraction form
    2,176.23/3,264.33 = 877.68/x
  3. Step 3: Cross multiply
    2,176.23x = 3,264.33 × 877.68
  4. Step 4: Simplify right side
    2,176.23x = 2,865,037.15
  5. Step 5: Solve for x
    x = 2,865,037.15/2,176.23
  6. Step 6: Final answer
    x = 1,316.51

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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.