Home / 1,583.25-2,375.36-1,121.93

Finding the Fourth Proportional to 1,583.25, 2,375.36 and 1,121.93

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Solution

The fourth proportional to 1,583.25, 2,375.36 and 1,121.93 is: 1,683.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583.25 : 2,375.36 = 1,121.93 : x
  2. Step 2: Convert to fraction form
    1,583.25/2,375.36 = 1,121.93/x
  3. Step 3: Cross multiply
    1,583.25x = 2,375.36 × 1,121.93
  4. Step 4: Simplify right side
    1,583.25x = 2,664,977.17
  5. Step 5: Solve for x
    x = 2,664,977.17/1,583.25
  6. Step 6: Final answer
    x = 1,683.23

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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.