Home / 3,809.25-5,258.93-2,876.13

Finding the Fourth Proportional to 3,809.25, 5,258.93 and 2,876.13

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Solution

The fourth proportional to 3,809.25, 5,258.93 and 2,876.13 is: 3,970.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809.25 : 5,258.93 = 2,876.13 : x
  2. Step 2: Convert to fraction form
    3,809.25/5,258.93 = 2,876.13/x
  3. Step 3: Cross multiply
    3,809.25x = 5,258.93 × 2,876.13
  4. Step 4: Simplify right side
    3,809.25x = 15,125,351.96
  5. Step 5: Solve for x
    x = 15,125,351.96/3,809.25
  6. Step 6: Final answer
    x = 3,970.69

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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.