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Finding the Fourth Proportional to 3,497.32, 5,245.66 and 1,648.84

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Solution

The fourth proportional to 3,497.32, 5,245.66 and 1,648.84 is: 2,473.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,497.32 : 5,245.66 = 1,648.84 : x
  2. Step 2: Convert to fraction form
    3,497.32/5,245.66 = 1,648.84/x
  3. Step 3: Cross multiply
    3,497.32x = 5,245.66 × 1,648.84
  4. Step 4: Simplify right side
    3,497.32x = 8,649,254.03
  5. Step 5: Solve for x
    x = 8,649,254.03/3,497.32
  6. Step 6: Final answer
    x = 2,473.11

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1.5x scale

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.