Home / 2,235.74-3,349.96-1,138.59

Finding the Fourth Proportional to 2,235.74, 3,349.96 and 1,138.59

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Solution

The fourth proportional to 2,235.74, 3,349.96 and 1,138.59 is: 1,706.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235.74 : 3,349.96 = 1,138.59 : x
  2. Step 2: Convert to fraction form
    2,235.74/3,349.96 = 1,138.59/x
  3. Step 3: Cross multiply
    2,235.74x = 3,349.96 × 1,138.59
  4. Step 4: Simplify right side
    2,235.74x = 3,814,244.94
  5. Step 5: Solve for x
    x = 3,814,244.94/2,235.74
  6. Step 6: Final answer
    x = 1,706.03

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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.