Home / 1,451.82-2,001.87-1,052.70

Finding the Fourth Proportional to 1,451.82, 2,001.87 and 1,052.70

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Solution

The fourth proportional to 1,451.82, 2,001.87 and 1,052.70 is: 1,451.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451.82 : 2,001.87 = 1,052.70 : x
  2. Step 2: Convert to fraction form
    1,451.82/2,001.87 = 1,052.70/x
  3. Step 3: Cross multiply
    1,451.82x = 2,001.87 × 1,052.70
  4. Step 4: Simplify right side
    1,451.82x = 2,107,368.55
  5. Step 5: Solve for x
    x = 2,107,368.55/1,451.82
  6. Step 6: Final answer
    x = 1,451.54

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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.