Home / 1,083.28-1,501-1,069.24

Finding the Fourth Proportional to 1,083.28, 1,501 and 1,069.24

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Solution

The fourth proportional to 1,083.28, 1,501 and 1,069.24 is: 1,481.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083.28 : 1,501 = 1,069.24 : x
  2. Step 2: Convert to fraction form
    1,083.28/1,501 = 1,069.24/x
  3. Step 3: Cross multiply
    1,083.28x = 1,501 × 1,069.24
  4. Step 4: Simplify right side
    1,083.28x = 1,604,929.24
  5. Step 5: Solve for x
    x = 1,604,929.24/1,083.28
  6. Step 6: Final answer
    x = 1,481.55

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.