Home / 1,452.67-2,178.98-1,209.37

Finding the Fourth Proportional to 1,452.67, 2,178.98 and 1,209.37

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Solution

The fourth proportional to 1,452.67, 2,178.98 and 1,209.37 is: 1,814.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452.67 : 2,178.98 = 1,209.37 : x
  2. Step 2: Convert to fraction form
    1,452.67/2,178.98 = 1,209.37/x
  3. Step 3: Cross multiply
    1,452.67x = 2,178.98 × 1,209.37
  4. Step 4: Simplify right side
    1,452.67x = 2,635,187.00
  5. Step 5: Solve for x
    x = 2,635,187.00/1,452.67
  6. Step 6: Final answer
    x = 1,814.03

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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.