Home / 3,363.68-4,642.56-1,966.88

Finding the Fourth Proportional to 3,363.68, 4,642.56 and 1,966.88

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Solution

The fourth proportional to 3,363.68, 4,642.56 and 1,966.88 is: 2,714.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,363.68 : 4,642.56 = 1,966.88 : x
  2. Step 2: Convert to fraction form
    3,363.68/4,642.56 = 1,966.88/x
  3. Step 3: Cross multiply
    3,363.68x = 4,642.56 × 1,966.88
  4. Step 4: Simplify right side
    3,363.68x = 9,131,358.41
  5. Step 5: Solve for x
    x = 9,131,358.41/3,363.68
  6. Step 6: Final answer
    x = 2,714.69

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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.