Home / 1,551.72-2,327.59-1,003.61

Finding the Fourth Proportional to 1,551.72, 2,327.59 and 1,003.61

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Solution

The fourth proportional to 1,551.72, 2,327.59 and 1,003.61 is: 1,505.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551.72 : 2,327.59 = 1,003.61 : x
  2. Step 2: Convert to fraction form
    1,551.72/2,327.59 = 1,003.61/x
  3. Step 3: Cross multiply
    1,551.72x = 2,327.59 × 1,003.61
  4. Step 4: Simplify right side
    1,551.72x = 2,335,980.94
  5. Step 5: Solve for x
    x = 2,335,980.94/1,551.72
  6. Step 6: Final answer
    x = 1,505.41

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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.