Home / 3,428.98-5,145.11-2,376.42

Finding the Fourth Proportional to 3,428.98, 5,145.11 and 2,376.42

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Solution

The fourth proportional to 3,428.98, 5,145.11 and 2,376.42 is: 3,565.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.98 : 5,145.11 = 2,376.42 : x
  2. Step 2: Convert to fraction form
    3,428.98/5,145.11 = 2,376.42/x
  3. Step 3: Cross multiply
    3,428.98x = 5,145.11 × 2,376.42
  4. Step 4: Simplify right side
    3,428.98x = 12,226,948.98
  5. Step 5: Solve for x
    x = 12,226,948.98/3,428.98
  6. Step 6: Final answer
    x = 3,565.77

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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.