Home / 3,966.12-5,931.82-3,240.36

Finding the Fourth Proportional to 3,966.12, 5,931.82 and 3,240.36

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Solution

The fourth proportional to 3,966.12, 5,931.82 and 3,240.36 is: 4,846.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.12 : 5,931.82 = 3,240.36 : x
  2. Step 2: Convert to fraction form
    3,966.12/5,931.82 = 3,240.36/x
  3. Step 3: Cross multiply
    3,966.12x = 5,931.82 × 3,240.36
  4. Step 4: Simplify right side
    3,966.12x = 19,221,232.26
  5. Step 5: Solve for x
    x = 19,221,232.26/3,966.12
  6. Step 6: Final answer
    x = 4,846.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.