Home / 3,440.62-4,748.06-1,868.74

Finding the Fourth Proportional to 3,440.62, 4,748.06 and 1,868.74

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Solution

The fourth proportional to 3,440.62, 4,748.06 and 1,868.74 is: 2,578.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.62 : 4,748.06 = 1,868.74 : x
  2. Step 2: Convert to fraction form
    3,440.62/4,748.06 = 1,868.74/x
  3. Step 3: Cross multiply
    3,440.62x = 4,748.06 × 1,868.74
  4. Step 4: Simplify right side
    3,440.62x = 8,872,889.64
  5. Step 5: Solve for x
    x = 8,872,889.64/3,440.62
  6. Step 6: Final answer
    x = 2,578.86

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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.