Home / 2,877.03-4,311.90-1,231.77

Finding the Fourth Proportional to 2,877.03, 4,311.90 and 1,231.77

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Solution

The fourth proportional to 2,877.03, 4,311.90 and 1,231.77 is: 1,846.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.03 : 4,311.90 = 1,231.77 : x
  2. Step 2: Convert to fraction form
    2,877.03/4,311.90 = 1,231.77/x
  3. Step 3: Cross multiply
    2,877.03x = 4,311.90 × 1,231.77
  4. Step 4: Simplify right side
    2,877.03x = 5,311,285.23
  5. Step 5: Solve for x
    x = 5,311,285.23/2,877.03
  6. Step 6: Final answer
    x = 1,846.10

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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.