Home / 1,134.24-1,701.38-403.82

Finding the Fourth Proportional to 1,134.24, 1,701.38 and 403.82

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Solution

The fourth proportional to 1,134.24, 1,701.38 and 403.82 is: 605.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134.24 : 1,701.38 = 403.82 : x
  2. Step 2: Convert to fraction form
    1,134.24/1,701.38 = 403.82/x
  3. Step 3: Cross multiply
    1,134.24x = 1,701.38 × 403.82
  4. Step 4: Simplify right side
    1,134.24x = 687,051.27
  5. Step 5: Solve for x
    x = 687,051.27/1,134.24
  6. Step 6: Final answer
    x = 605.74

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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.