Home / 2,106.09-3,158.84-625.23

Finding the Fourth Proportional to 2,106.09, 3,158.84 and 625.23

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Solution

The fourth proportional to 2,106.09, 3,158.84 and 625.23 is: 937.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106.09 : 3,158.84 = 625.23 : x
  2. Step 2: Convert to fraction form
    2,106.09/3,158.84 = 625.23/x
  3. Step 3: Cross multiply
    2,106.09x = 3,158.84 × 625.23
  4. Step 4: Simplify right side
    2,106.09x = 1,974,998.41
  5. Step 5: Solve for x
    x = 1,974,998.41/2,106.09
  6. Step 6: Final answer
    x = 937.76

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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.