Home / 3,366.78-4,646.04-1,874.65

Finding the Fourth Proportional to 3,366.78, 4,646.04 and 1,874.65

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Solution

The fourth proportional to 3,366.78, 4,646.04 and 1,874.65 is: 2,586.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,366.78 : 4,646.04 = 1,874.65 : x
  2. Step 2: Convert to fraction form
    3,366.78/4,646.04 = 1,874.65/x
  3. Step 3: Cross multiply
    3,366.78x = 4,646.04 × 1,874.65
  4. Step 4: Simplify right side
    3,366.78x = 8,709,698.89
  5. Step 5: Solve for x
    x = 8,709,698.89/3,366.78
  6. Step 6: Final answer
    x = 2,586.95

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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.