Home / 2,877.67-4,315.88-1,028.91

Finding the Fourth Proportional to 2,877.67, 4,315.88 and 1,028.91

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Solution

The fourth proportional to 2,877.67, 4,315.88 and 1,028.91 is: 1,543.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.67 : 4,315.88 = 1,028.91 : x
  2. Step 2: Convert to fraction form
    2,877.67/4,315.88 = 1,028.91/x
  3. Step 3: Cross multiply
    2,877.67x = 4,315.88 × 1,028.91
  4. Step 4: Simplify right side
    2,877.67x = 4,440,660.31
  5. Step 5: Solve for x
    x = 4,440,660.31/2,877.67
  6. Step 6: Final answer
    x = 1,543.14

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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.