Home / 3,755.19-5,631.76-1,122.59

Finding the Fourth Proportional to 3,755.19, 5,631.76 and 1,122.59

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Solution

The fourth proportional to 3,755.19, 5,631.76 and 1,122.59 is: 1,683.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.19 : 5,631.76 = 1,122.59 : x
  2. Step 2: Convert to fraction form
    3,755.19/5,631.76 = 1,122.59/x
  3. Step 3: Cross multiply
    3,755.19x = 5,631.76 × 1,122.59
  4. Step 4: Simplify right side
    3,755.19x = 6,322,172.94
  5. Step 5: Solve for x
    x = 6,322,172.94/3,755.19
  6. Step 6: Final answer
    x = 1,683.58

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1.5x scale

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.