Home / 3,426.91-4,729.89-2,169.64

Finding the Fourth Proportional to 3,426.91, 4,729.89 and 2,169.64

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Solution

The fourth proportional to 3,426.91, 4,729.89 and 2,169.64 is: 2,994.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.91 : 4,729.89 = 2,169.64 : x
  2. Step 2: Convert to fraction form
    3,426.91/4,729.89 = 2,169.64/x
  3. Step 3: Cross multiply
    3,426.91x = 4,729.89 × 2,169.64
  4. Step 4: Simplify right side
    3,426.91x = 10,262,165.18
  5. Step 5: Solve for x
    x = 10,262,165.18/3,426.91
  6. Step 6: Final answer
    x = 2,994.58

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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.