Home / 3,966.03-5,474.75-2,639.25

Finding the Fourth Proportional to 3,966.03, 5,474.75 and 2,639.25

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Solution

The fourth proportional to 3,966.03, 5,474.75 and 2,639.25 is: 3,643.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.03 : 5,474.75 = 2,639.25 : x
  2. Step 2: Convert to fraction form
    3,966.03/5,474.75 = 2,639.25/x
  3. Step 3: Cross multiply
    3,966.03x = 5,474.75 × 2,639.25
  4. Step 4: Simplify right side
    3,966.03x = 14,449,220.74
  5. Step 5: Solve for x
    x = 14,449,220.74/3,966.03
  6. Step 6: Final answer
    x = 3,643.25

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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.