Home / 1,325.69-1,983.02-1,227.28

Finding the Fourth Proportional to 1,325.69, 1,983.02 and 1,227.28

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Solution

The fourth proportional to 1,325.69, 1,983.02 and 1,227.28 is: 1,835.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325.69 : 1,983.02 = 1,227.28 : x
  2. Step 2: Convert to fraction form
    1,325.69/1,983.02 = 1,227.28/x
  3. Step 3: Cross multiply
    1,325.69x = 1,983.02 × 1,227.28
  4. Step 4: Simplify right side
    1,325.69x = 2,433,709.69
  5. Step 5: Solve for x
    x = 2,433,709.69/1,325.69
  6. Step 6: Final answer
    x = 1,835.80

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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.