Home / 1,156.43-1,605.29-1,083.53

Finding the Fourth Proportional to 1,156.43, 1,605.29 and 1,083.53

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Solution

The fourth proportional to 1,156.43, 1,605.29 and 1,083.53 is: 1,504.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156.43 : 1,605.29 = 1,083.53 : x
  2. Step 2: Convert to fraction form
    1,156.43/1,605.29 = 1,083.53/x
  3. Step 3: Cross multiply
    1,156.43x = 1,605.29 × 1,083.53
  4. Step 4: Simplify right side
    1,156.43x = 1,739,378.47
  5. Step 5: Solve for x
    x = 1,739,378.47/1,156.43
  6. Step 6: Final answer
    x = 1,504.09

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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.