Home / 2,193.39-3,026.87-1,297.74

Finding the Fourth Proportional to 2,193.39, 3,026.87 and 1,297.74

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Solution

The fourth proportional to 2,193.39, 3,026.87 and 1,297.74 is: 1,790.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.39 : 3,026.87 = 1,297.74 : x
  2. Step 2: Convert to fraction form
    2,193.39/3,026.87 = 1,297.74/x
  3. Step 3: Cross multiply
    2,193.39x = 3,026.87 × 1,297.74
  4. Step 4: Simplify right side
    2,193.39x = 3,928,093.52
  5. Step 5: Solve for x
    x = 3,928,093.52/2,193.39
  6. Step 6: Final answer
    x = 1,790.88

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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.