Home / 2,601.90-3,899.16-1,137.96

Finding the Fourth Proportional to 2,601.90, 3,899.16 and 1,137.96

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Solution

The fourth proportional to 2,601.90, 3,899.16 and 1,137.96 is: 1,705.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,601.90 : 3,899.16 = 1,137.96 : x
  2. Step 2: Convert to fraction form
    2,601.90/3,899.16 = 1,137.96/x
  3. Step 3: Cross multiply
    2,601.90x = 3,899.16 × 1,137.96
  4. Step 4: Simplify right side
    2,601.90x = 4,437,088.11
  5. Step 5: Solve for x
    x = 4,437,088.11/2,601.90
  6. Step 6: Final answer
    x = 1,705.33

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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.