Home / 3,429.81-4,732.92-1,937.79

Finding the Fourth Proportional to 3,429.81, 4,732.92 and 1,937.79

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Solution

The fourth proportional to 3,429.81, 4,732.92 and 1,937.79 is: 2,674.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.81 : 4,732.92 = 1,937.79 : x
  2. Step 2: Convert to fraction form
    3,429.81/4,732.92 = 1,937.79/x
  3. Step 3: Cross multiply
    3,429.81x = 4,732.92 × 1,937.79
  4. Step 4: Simplify right side
    3,429.81x = 9,171,405.05
  5. Step 5: Solve for x
    x = 9,171,405.05/3,429.81
  6. Step 6: Final answer
    x = 2,674.03

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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.