Home / 1,629.56-2,249.16-1,367.12

Finding the Fourth Proportional to 1,629.56, 2,249.16 and 1,367.12

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Solution

The fourth proportional to 1,629.56, 2,249.16 and 1,367.12 is: 1,886.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.56 : 2,249.16 = 1,367.12 : x
  2. Step 2: Convert to fraction form
    1,629.56/2,249.16 = 1,367.12/x
  3. Step 3: Cross multiply
    1,629.56x = 2,249.16 × 1,367.12
  4. Step 4: Simplify right side
    1,629.56x = 3,074,871.62
  5. Step 5: Solve for x
    x = 3,074,871.62/1,629.56
  6. Step 6: Final answer
    x = 1,886.93

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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.