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Finding the Fourth Proportional to 2,176.46, 3,264.84 and 877.94

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Solution

The fourth proportional to 2,176.46, 3,264.84 and 877.94 is: 1,316.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.46 : 3,264.84 = 877.94 : x
  2. Step 2: Convert to fraction form
    2,176.46/3,264.84 = 877.94/x
  3. Step 3: Cross multiply
    2,176.46x = 3,264.84 × 877.94
  4. Step 4: Simplify right side
    2,176.46x = 2,866,317.31
  5. Step 5: Solve for x
    x = 2,866,317.31/2,176.46
  6. Step 6: Final answer
    x = 1,316.97

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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.