Home / 4,150.12-5,721.78-3,439.36

Finding the Fourth Proportional to 4,150.12, 5,721.78 and 3,439.36

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Solution

The fourth proportional to 4,150.12, 5,721.78 and 3,439.36 is: 4,741.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,150.12 : 5,721.78 = 3,439.36 : x
  2. Step 2: Convert to fraction form
    4,150.12/5,721.78 = 3,439.36/x
  3. Step 3: Cross multiply
    4,150.12x = 5,721.78 × 3,439.36
  4. Step 4: Simplify right side
    4,150.12x = 19,679,261.26
  5. Step 5: Solve for x
    x = 19,679,261.26/4,150.12
  6. Step 6: Final answer
    x = 4,741.85

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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.