Home / 2,176.07-3,265.31-877.64

Finding the Fourth Proportional to 2,176.07, 3,265.31 and 877.64

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Solution

The fourth proportional to 2,176.07, 3,265.31 and 877.64 is: 1,316.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.07 : 3,265.31 = 877.64 : x
  2. Step 2: Convert to fraction form
    2,176.07/3,265.31 = 877.64/x
  3. Step 3: Cross multiply
    2,176.07x = 3,265.31 × 877.64
  4. Step 4: Simplify right side
    2,176.07x = 2,865,752.54
  5. Step 5: Solve for x
    x = 2,865,752.54/2,176.07
  6. Step 6: Final answer
    x = 1,316.94

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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.