Home / 3,788.93-5,229.01-2,110.40

Finding the Fourth Proportional to 3,788.93, 5,229.01 and 2,110.40

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Solution

The fourth proportional to 3,788.93, 5,229.01 and 2,110.40 is: 2,912.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.93 : 5,229.01 = 2,110.40 : x
  2. Step 2: Convert to fraction form
    3,788.93/5,229.01 = 2,110.40/x
  3. Step 3: Cross multiply
    3,788.93x = 5,229.01 × 2,110.40
  4. Step 4: Simplify right side
    3,788.93x = 11,035,302.70
  5. Step 5: Solve for x
    x = 11,035,302.70/3,788.93
  6. Step 6: Final answer
    x = 2,912.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.