Home / 3,475.18-5,213.78-1,135.62

Finding the Fourth Proportional to 3,475.18, 5,213.78 and 1,135.62

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Solution

The fourth proportional to 3,475.18, 5,213.78 and 1,135.62 is: 1,703.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,475.18 : 5,213.78 = 1,135.62 : x
  2. Step 2: Convert to fraction form
    3,475.18/5,213.78 = 1,135.62/x
  3. Step 3: Cross multiply
    3,475.18x = 5,213.78 × 1,135.62
  4. Step 4: Simplify right side
    3,475.18x = 5,920,872.84
  5. Step 5: Solve for x
    x = 5,920,872.84/3,475.18
  6. Step 6: Final answer
    x = 1,703.76

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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.