Home / 3,943.68-5,911.32-2,966.76

Finding the Fourth Proportional to 3,943.68, 5,911.32 and 2,966.76

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Solution

The fourth proportional to 3,943.68, 5,911.32 and 2,966.76 is: 4,446.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.68 : 5,911.32 = 2,966.76 : x
  2. Step 2: Convert to fraction form
    3,943.68/5,911.32 = 2,966.76/x
  3. Step 3: Cross multiply
    3,943.68x = 5,911.32 × 2,966.76
  4. Step 4: Simplify right side
    3,943.68x = 17,537,467.72
  5. Step 5: Solve for x
    x = 17,537,467.72/3,943.68
  6. Step 6: Final answer
    x = 4,446.98

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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.