Home / 3,426.74-5,141.68-1,864.40

Finding the Fourth Proportional to 3,426.74, 5,141.68 and 1,864.40

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Solution

The fourth proportional to 3,426.74, 5,141.68 and 1,864.40 is: 2,797.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.74 : 5,141.68 = 1,864.40 : x
  2. Step 2: Convert to fraction form
    3,426.74/5,141.68 = 1,864.40/x
  3. Step 3: Cross multiply
    3,426.74x = 5,141.68 × 1,864.40
  4. Step 4: Simplify right side
    3,426.74x = 9,586,138.87
  5. Step 5: Solve for x
    x = 9,586,138.87/3,426.74
  6. Step 6: Final answer
    x = 2,797.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.