Home / 3,810.14-5,258.52-2,131.62

Finding the Fourth Proportional to 3,810.14, 5,258.52 and 2,131.62

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Solution

The fourth proportional to 3,810.14, 5,258.52 and 2,131.62 is: 2,941.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810.14 : 5,258.52 = 2,131.62 : x
  2. Step 2: Convert to fraction form
    3,810.14/5,258.52 = 2,131.62/x
  3. Step 3: Cross multiply
    3,810.14x = 5,258.52 × 2,131.62
  4. Step 4: Simplify right side
    3,810.14x = 11,209,146.68
  5. Step 5: Solve for x
    x = 11,209,146.68/3,810.14
  6. Step 6: Final answer
    x = 2,941.93

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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.