Home / 3,810.75-5,258.48-2,132.07

Finding the Fourth Proportional to 3,810.75, 5,258.48 and 2,132.07

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Solution

The fourth proportional to 3,810.75, 5,258.48 and 2,132.07 is: 2,942.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810.75 : 5,258.48 = 2,132.07 : x
  2. Step 2: Convert to fraction form
    3,810.75/5,258.48 = 2,132.07/x
  3. Step 3: Cross multiply
    3,810.75x = 5,258.48 × 2,132.07
  4. Step 4: Simplify right side
    3,810.75x = 11,211,436.79
  5. Step 5: Solve for x
    x = 11,211,436.79/3,810.75
  6. Step 6: Final answer
    x = 2,942.06

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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.