Home / 3,152.42-4,728.72-1,765.52

Finding the Fourth Proportional to 3,152.42, 4,728.72 and 1,765.52

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Solution

The fourth proportional to 3,152.42, 4,728.72 and 1,765.52 is: 2,648.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.42 : 4,728.72 = 1,765.52 : x
  2. Step 2: Convert to fraction form
    3,152.42/4,728.72 = 1,765.52/x
  3. Step 3: Cross multiply
    3,152.42x = 4,728.72 × 1,765.52
  4. Step 4: Simplify right side
    3,152.42x = 8,348,649.73
  5. Step 5: Solve for x
    x = 8,348,649.73/3,152.42
  6. Step 6: Final answer
    x = 2,648.33

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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.