Home / 3,381.62-4,666.35-1,964.87

Finding the Fourth Proportional to 3,381.62, 4,666.35 and 1,964.87

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Solution

The fourth proportional to 3,381.62, 4,666.35 and 1,964.87 is: 2,711.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.62 : 4,666.35 = 1,964.87 : x
  2. Step 2: Convert to fraction form
    3,381.62/4,666.35 = 1,964.87/x
  3. Step 3: Cross multiply
    3,381.62x = 4,666.35 × 1,964.87
  4. Step 4: Simplify right side
    3,381.62x = 9,168,747.79
  5. Step 5: Solve for x
    x = 9,168,747.79/3,381.62
  6. Step 6: Final answer
    x = 2,711.35

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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.