Home / 1,356.41-2,032.36-1,305.86

Finding the Fourth Proportional to 1,356.41, 2,032.36 and 1,305.86

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Solution

The fourth proportional to 1,356.41, 2,032.36 and 1,305.86 is: 1,956.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356.41 : 2,032.36 = 1,305.86 : x
  2. Step 2: Convert to fraction form
    1,356.41/2,032.36 = 1,305.86/x
  3. Step 3: Cross multiply
    1,356.41x = 2,032.36 × 1,305.86
  4. Step 4: Simplify right side
    1,356.41x = 2,653,964.20
  5. Step 5: Solve for x
    x = 2,653,964.20/1,356.41
  6. Step 6: Final answer
    x = 1,956.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.