Home / 2,877.20-4,316.14-1,028.58

Finding the Fourth Proportional to 2,877.20, 4,316.14 and 1,028.58

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Solution

The fourth proportional to 2,877.20, 4,316.14 and 1,028.58 is: 1,542.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.20 : 4,316.14 = 1,028.58 : x
  2. Step 2: Convert to fraction form
    2,877.20/4,316.14 = 1,028.58/x
  3. Step 3: Cross multiply
    2,877.20x = 4,316.14 × 1,028.58
  4. Step 4: Simplify right side
    2,877.20x = 4,439,495.28
  5. Step 5: Solve for x
    x = 4,439,495.28/2,877.20
  6. Step 6: Final answer
    x = 1,542.99

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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.