Home / 3,135.05-4,703.42-1,261.50

Finding the Fourth Proportional to 3,135.05, 4,703.42 and 1,261.50

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Solution

The fourth proportional to 3,135.05, 4,703.42 and 1,261.50 is: 1,892.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.05 : 4,703.42 = 1,261.50 : x
  2. Step 2: Convert to fraction form
    3,135.05/4,703.42 = 1,261.50/x
  3. Step 3: Cross multiply
    3,135.05x = 4,703.42 × 1,261.50
  4. Step 4: Simplify right side
    3,135.05x = 5,933,358.02
  5. Step 5: Solve for x
    x = 5,933,358.02/3,135.05
  6. Step 6: Final answer
    x = 1,892.59

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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.