Home / 3,135.19-4,703.70-944.25

Finding the Fourth Proportional to 3,135.19, 4,703.70 and 944.25

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Solution

The fourth proportional to 3,135.19, 4,703.70 and 944.25 is: 1,416.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.19 : 4,703.70 = 944.25 : x
  2. Step 2: Convert to fraction form
    3,135.19/4,703.70 = 944.25/x
  3. Step 3: Cross multiply
    3,135.19x = 4,703.70 × 944.25
  4. Step 4: Simplify right side
    3,135.19x = 4,441,468.73
  5. Step 5: Solve for x
    x = 4,441,468.73/3,135.19
  6. Step 6: Final answer
    x = 1,416.65

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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.