Home / 2,176.13-3,265.52-877.50

Finding the Fourth Proportional to 2,176.13, 3,265.52 and 877.50

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Solution

The fourth proportional to 2,176.13, 3,265.52 and 877.50 is: 1,316.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.13 : 3,265.52 = 877.50 : x
  2. Step 2: Convert to fraction form
    2,176.13/3,265.52 = 877.50/x
  3. Step 3: Cross multiply
    2,176.13x = 3,265.52 × 877.50
  4. Step 4: Simplify right side
    2,176.13x = 2,865,489.41
  5. Step 5: Solve for x
    x = 2,865,489.41/2,176.13
  6. Step 6: Final answer
    x = 1,316.78

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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.