Home / 3,426.05-4,730.73-2,169.12

Finding the Fourth Proportional to 3,426.05, 4,730.73 and 2,169.12

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Solution

The fourth proportional to 3,426.05, 4,730.73 and 2,169.12 is: 2,995.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.05 : 4,730.73 = 2,169.12 : x
  2. Step 2: Convert to fraction form
    3,426.05/4,730.73 = 2,169.12/x
  3. Step 3: Cross multiply
    3,426.05x = 4,730.73 × 2,169.12
  4. Step 4: Simplify right side
    3,426.05x = 10,261,521.06
  5. Step 5: Solve for x
    x = 10,261,521.06/3,426.05
  6. Step 6: Final answer
    x = 2,995.15

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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.