Home / 1,324.48-1,986.66-888.52

Finding the Fourth Proportional to 1,324.48, 1,986.66 and 888.52

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Solution

The fourth proportional to 1,324.48, 1,986.66 and 888.52 is: 1,332.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324.48 : 1,986.66 = 888.52 : x
  2. Step 2: Convert to fraction form
    1,324.48/1,986.66 = 888.52/x
  3. Step 3: Cross multiply
    1,324.48x = 1,986.66 × 888.52
  4. Step 4: Simplify right side
    1,324.48x = 1,765,187.14
  5. Step 5: Solve for x
    x = 1,765,187.14/1,324.48
  6. Step 6: Final answer
    x = 1,332.74

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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.