Home / 2,626.12-3,940.26-2,407.96

Finding the Fourth Proportional to 2,626.12, 3,940.26 and 2,407.96

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Solution

The fourth proportional to 2,626.12, 3,940.26 and 2,407.96 is: 3,612.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626.12 : 3,940.26 = 2,407.96 : x
  2. Step 2: Convert to fraction form
    2,626.12/3,940.26 = 2,407.96/x
  3. Step 3: Cross multiply
    2,626.12x = 3,940.26 × 2,407.96
  4. Step 4: Simplify right side
    2,626.12x = 9,487,988.47
  5. Step 5: Solve for x
    x = 9,487,988.47/2,626.12
  6. Step 6: Final answer
    x = 3,612.93

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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.