Home / 1,333.44-2,001.60-1,272.96

Finding the Fourth Proportional to 1,333.44, 2,001.60 and 1,272.96

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Solution

The fourth proportional to 1,333.44, 2,001.60 and 1,272.96 is: 1,910.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333.44 : 2,001.60 = 1,272.96 : x
  2. Step 2: Convert to fraction form
    1,333.44/2,001.60 = 1,272.96/x
  3. Step 3: Cross multiply
    1,333.44x = 2,001.60 × 1,272.96
  4. Step 4: Simplify right side
    1,333.44x = 2,547,956.74
  5. Step 5: Solve for x
    x = 2,547,956.74/1,333.44
  6. Step 6: Final answer
    x = 1,910.81

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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.