Home / 1,612.26-2,224.86-949.56

Finding the Fourth Proportional to 1,612.26, 2,224.86 and 949.56

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Solution

The fourth proportional to 1,612.26, 2,224.86 and 949.56 is: 1,310.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612.26 : 2,224.86 = 949.56 : x
  2. Step 2: Convert to fraction form
    1,612.26/2,224.86 = 949.56/x
  3. Step 3: Cross multiply
    1,612.26x = 2,224.86 × 949.56
  4. Step 4: Simplify right side
    1,612.26x = 2,112,638.06
  5. Step 5: Solve for x
    x = 2,112,638.06/1,612.26
  6. Step 6: Final answer
    x = 1,310.36

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1.5x scale

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.