Home / 2,088.09-3,131.19-626.95

Finding the Fourth Proportional to 2,088.09, 3,131.19 and 626.95

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Solution

The fourth proportional to 2,088.09, 3,131.19 and 626.95 is: 940.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.09 : 3,131.19 = 626.95 : x
  2. Step 2: Convert to fraction form
    2,088.09/3,131.19 = 626.95/x
  3. Step 3: Cross multiply
    2,088.09x = 3,131.19 × 626.95
  4. Step 4: Simplify right side
    2,088.09x = 1,963,099.57
  5. Step 5: Solve for x
    x = 1,963,099.57/2,088.09
  6. Step 6: Final answer
    x = 940.14

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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.