Home / 2,088.06-3,131.18-626.87

Finding the Fourth Proportional to 2,088.06, 3,131.18 and 626.87

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Solution

The fourth proportional to 2,088.06, 3,131.18 and 626.87 is: 940.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.06 : 3,131.18 = 626.87 : x
  2. Step 2: Convert to fraction form
    2,088.06/3,131.18 = 626.87/x
  3. Step 3: Cross multiply
    2,088.06x = 3,131.18 × 626.87
  4. Step 4: Simplify right side
    2,088.06x = 1,962,824.02
  5. Step 5: Solve for x
    x = 1,962,824.02/2,088.06
  6. Step 6: Final answer
    x = 940.02

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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.