Home / 3,865.66-5,334.59-2,097.25

Finding the Fourth Proportional to 3,865.66, 5,334.59 and 2,097.25

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Solution

The fourth proportional to 3,865.66, 5,334.59 and 2,097.25 is: 2,894.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865.66 : 5,334.59 = 2,097.25 : x
  2. Step 2: Convert to fraction form
    3,865.66/5,334.59 = 2,097.25/x
  3. Step 3: Cross multiply
    3,865.66x = 5,334.59 × 2,097.25
  4. Step 4: Simplify right side
    3,865.66x = 11,187,960.78
  5. Step 5: Solve for x
    x = 11,187,960.78/3,865.66
  6. Step 6: Final answer
    x = 2,894.19

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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.