Home / 3,748.35-5,175.22-2,491.84

Finding the Fourth Proportional to 3,748.35, 5,175.22 and 2,491.84

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Solution

The fourth proportional to 3,748.35, 5,175.22 and 2,491.84 is: 3,440.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.35 : 5,175.22 = 2,491.84 : x
  2. Step 2: Convert to fraction form
    3,748.35/5,175.22 = 2,491.84/x
  3. Step 3: Cross multiply
    3,748.35x = 5,175.22 × 2,491.84
  4. Step 4: Simplify right side
    3,748.35x = 12,895,801.04
  5. Step 5: Solve for x
    x = 12,895,801.04/3,748.35
  6. Step 6: Final answer
    x = 3,440.39

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1.5x scale

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.