Home / 2,087.26-3,130.77-626.44

Finding the Fourth Proportional to 2,087.26, 3,130.77 and 626.44

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Solution

The fourth proportional to 2,087.26, 3,130.77 and 626.44 is: 939.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087.26 : 3,130.77 = 626.44 : x
  2. Step 2: Convert to fraction form
    2,087.26/3,130.77 = 626.44/x
  3. Step 3: Cross multiply
    2,087.26x = 3,130.77 × 626.44
  4. Step 4: Simplify right side
    2,087.26x = 1,961,239.56
  5. Step 5: Solve for x
    x = 1,961,239.56/2,087.26
  6. Step 6: Final answer
    x = 939.62

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1.5x scale

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.