Home / 2,877.95-4,318.20-1,579.38

Finding the Fourth Proportional to 2,877.95, 4,318.20 and 1,579.38

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Solution

The fourth proportional to 2,877.95, 4,318.20 and 1,579.38 is: 2,369.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.95 : 4,318.20 = 1,579.38 : x
  2. Step 2: Convert to fraction form
    2,877.95/4,318.20 = 1,579.38/x
  3. Step 3: Cross multiply
    2,877.95x = 4,318.20 × 1,579.38
  4. Step 4: Simplify right side
    2,877.95x = 6,820,078.72
  5. Step 5: Solve for x
    x = 6,820,078.72/2,877.95
  6. Step 6: Final answer
    x = 2,369.77

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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.