Home / 3,943.84-5,911.16-2,966.80

Finding the Fourth Proportional to 3,943.84, 5,911.16 and 2,966.80

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Solution

The fourth proportional to 3,943.84, 5,911.16 and 2,966.80 is: 4,446.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.84 : 5,911.16 = 2,966.80 : x
  2. Step 2: Convert to fraction form
    3,943.84/5,911.16 = 2,966.80/x
  3. Step 3: Cross multiply
    3,943.84x = 5,911.16 × 2,966.80
  4. Step 4: Simplify right side
    3,943.84x = 17,537,229.49
  5. Step 5: Solve for x
    x = 17,537,229.49/3,943.84
  6. Step 6: Final answer
    x = 4,446.74

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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.