Home / 2,103.21-3,153.29-1,062.74

Finding the Fourth Proportional to 2,103.21, 3,153.29 and 1,062.74

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Solution

The fourth proportional to 2,103.21, 3,153.29 and 1,062.74 is: 1,593.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103.21 : 3,153.29 = 1,062.74 : x
  2. Step 2: Convert to fraction form
    2,103.21/3,153.29 = 1,062.74/x
  3. Step 3: Cross multiply
    2,103.21x = 3,153.29 × 1,062.74
  4. Step 4: Simplify right side
    2,103.21x = 3,351,106.33
  5. Step 5: Solve for x
    x = 3,351,106.33/2,103.21
  6. Step 6: Final answer
    x = 1,593.33

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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.