Home / 1,358.81-2,027.94-1,227.59

Finding the Fourth Proportional to 1,358.81, 2,027.94 and 1,227.59

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Solution

The fourth proportional to 1,358.81, 2,027.94 and 1,227.59 is: 1,832.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358.81 : 2,027.94 = 1,227.59 : x
  2. Step 2: Convert to fraction form
    1,358.81/2,027.94 = 1,227.59/x
  3. Step 3: Cross multiply
    1,358.81x = 2,027.94 × 1,227.59
  4. Step 4: Simplify right side
    1,358.81x = 2,489,468.72
  5. Step 5: Solve for x
    x = 2,489,468.72/1,358.81
  6. Step 6: Final answer
    x = 1,832.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.