Home / 3,384.45-4,671.04-1,968.97

Finding the Fourth Proportional to 3,384.45, 4,671.04 and 1,968.97

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Solution

The fourth proportional to 3,384.45, 4,671.04 and 1,968.97 is: 2,717.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,384.45 : 4,671.04 = 1,968.97 : x
  2. Step 2: Convert to fraction form
    3,384.45/4,671.04 = 1,968.97/x
  3. Step 3: Cross multiply
    3,384.45x = 4,671.04 × 1,968.97
  4. Step 4: Simplify right side
    3,384.45x = 9,197,139.46
  5. Step 5: Solve for x
    x = 9,197,139.46/3,384.45
  6. Step 6: Final answer
    x = 2,717.47

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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.