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Finding the Fourth Proportional to 3,742.02, 5,152.68 and 3,244.68

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Solution

The fourth proportional to 3,742.02, 5,152.68 and 3,244.68 is: 4,467.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.02 : 5,152.68 = 3,244.68 : x
  2. Step 2: Convert to fraction form
    3,742.02/5,152.68 = 3,244.68/x
  3. Step 3: Cross multiply
    3,742.02x = 5,152.68 × 3,244.68
  4. Step 4: Simplify right side
    3,742.02x = 16,718,797.74
  5. Step 5: Solve for x
    x = 16,718,797.74/3,742.02
  6. Step 6: Final answer
    x = 4,467.85

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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.