Home / 2,103.26-3,155.97-934.07

Finding the Fourth Proportional to 2,103.26, 3,155.97 and 934.07

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Solution

The fourth proportional to 2,103.26, 3,155.97 and 934.07 is: 1,401.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103.26 : 3,155.97 = 934.07 : x
  2. Step 2: Convert to fraction form
    2,103.26/3,155.97 = 934.07/x
  3. Step 3: Cross multiply
    2,103.26x = 3,155.97 × 934.07
  4. Step 4: Simplify right side
    2,103.26x = 2,947,881.12
  5. Step 5: Solve for x
    x = 2,947,881.12/2,103.26
  6. Step 6: Final answer
    x = 1,401.58

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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.