Home / 1,180.10-1,629.18-943.26

Finding the Fourth Proportional to 1,180.10, 1,629.18 and 943.26

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Solution

The fourth proportional to 1,180.10, 1,629.18 and 943.26 is: 1,302.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180.10 : 1,629.18 = 943.26 : x
  2. Step 2: Convert to fraction form
    1,180.10/1,629.18 = 943.26/x
  3. Step 3: Cross multiply
    1,180.10x = 1,629.18 × 943.26
  4. Step 4: Simplify right side
    1,180.10x = 1,536,740.33
  5. Step 5: Solve for x
    x = 1,536,740.33/1,180.10
  6. Step 6: Final answer
    x = 1,302.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.