Home / 3,810.66-5,258.07-2,486.58

Finding the Fourth Proportional to 3,810.66, 5,258.07 and 2,486.58

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Solution

The fourth proportional to 3,810.66, 5,258.07 and 2,486.58 is: 3,431.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810.66 : 5,258.07 = 2,486.58 : x
  2. Step 2: Convert to fraction form
    3,810.66/5,258.07 = 2,486.58/x
  3. Step 3: Cross multiply
    3,810.66x = 5,258.07 × 2,486.58
  4. Step 4: Simplify right side
    3,810.66x = 13,074,611.70
  5. Step 5: Solve for x
    x = 13,074,611.70/3,810.66
  6. Step 6: Final answer
    x = 3,431.06

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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.