Home / 2,584.15-3,876.00-1,267.40

Finding the Fourth Proportional to 2,584.15, 3,876.00 and 1,267.40

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Solution

The fourth proportional to 2,584.15, 3,876.00 and 1,267.40 is: 1,900.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,584.15 : 3,876.00 = 1,267.40 : x
  2. Step 2: Convert to fraction form
    2,584.15/3,876.00 = 1,267.40/x
  3. Step 3: Cross multiply
    2,584.15x = 3,876.00 × 1,267.40
  4. Step 4: Simplify right side
    2,584.15x = 4,912,432.66
  5. Step 5: Solve for x
    x = 4,912,432.66/2,584.15
  6. Step 6: Final answer
    x = 1,900.98

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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.