Home / 3,966.66-5,476.32-2,642.22

Finding the Fourth Proportional to 3,966.66, 5,476.32 and 2,642.22

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Solution

The fourth proportional to 3,966.66, 5,476.32 and 2,642.22 is: 3,647.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.66 : 5,476.32 = 2,642.22 : x
  2. Step 2: Convert to fraction form
    3,966.66/5,476.32 = 2,642.22/x
  3. Step 3: Cross multiply
    3,966.66x = 5,476.32 × 2,642.22
  4. Step 4: Simplify right side
    3,966.66x = 14,469,642.23
  5. Step 5: Solve for x
    x = 14,469,642.23/3,966.66
  6. Step 6: Final answer
    x = 3,647.82

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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.