Home / 2,877.38-4,316.10-1,578.14

Finding the Fourth Proportional to 2,877.38, 4,316.10 and 1,578.14

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Solution

The fourth proportional to 2,877.38, 4,316.10 and 1,578.14 is: 2,367.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.38 : 4,316.10 = 1,578.14 : x
  2. Step 2: Convert to fraction form
    2,877.38/4,316.10 = 1,578.14/x
  3. Step 3: Cross multiply
    2,877.38x = 4,316.10 × 1,578.14
  4. Step 4: Simplify right side
    2,877.38x = 6,811,410.05
  5. Step 5: Solve for x
    x = 6,811,410.05/2,877.38
  6. Step 6: Final answer
    x = 2,367.23

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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.