Home / 2,877.72-4,318.68-1,146.84

Finding the Fourth Proportional to 2,877.72, 4,318.68 and 1,146.84

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Solution

The fourth proportional to 2,877.72, 4,318.68 and 1,146.84 is: 1,721.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.72 : 4,318.68 = 1,146.84 : x
  2. Step 2: Convert to fraction form
    2,877.72/4,318.68 = 1,146.84/x
  3. Step 3: Cross multiply
    2,877.72x = 4,318.68 × 1,146.84
  4. Step 4: Simplify right side
    2,877.72x = 4,952,834.97
  5. Step 5: Solve for x
    x = 4,952,834.97/2,877.72
  6. Step 6: Final answer
    x = 1,721.10

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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.