Home / 3,847.01-5,307.66-2,168.15

Finding the Fourth Proportional to 3,847.01, 5,307.66 and 2,168.15

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Solution

The fourth proportional to 3,847.01, 5,307.66 and 2,168.15 is: 2,991.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847.01 : 5,307.66 = 2,168.15 : x
  2. Step 2: Convert to fraction form
    3,847.01/5,307.66 = 2,168.15/x
  3. Step 3: Cross multiply
    3,847.01x = 5,307.66 × 2,168.15
  4. Step 4: Simplify right side
    3,847.01x = 11,507,803.03
  5. Step 5: Solve for x
    x = 11,507,803.03/3,847.01
  6. Step 6: Final answer
    x = 2,991.36

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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.