Home / 2,920.62-4,380.39-1,529.58

Finding the Fourth Proportional to 2,920.62, 4,380.39 and 1,529.58

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Solution

The fourth proportional to 2,920.62, 4,380.39 and 1,529.58 is: 2,294.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.62 : 4,380.39 = 1,529.58 : x
  2. Step 2: Convert to fraction form
    2,920.62/4,380.39 = 1,529.58/x
  3. Step 3: Cross multiply
    2,920.62x = 4,380.39 × 1,529.58
  4. Step 4: Simplify right side
    2,920.62x = 6,700,156.94
  5. Step 5: Solve for x
    x = 6,700,156.94/2,920.62
  6. Step 6: Final answer
    x = 2,294.09

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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.