Home / 1,134.21-1,701.39-403.59

Finding the Fourth Proportional to 1,134.21, 1,701.39 and 403.59

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Solution

The fourth proportional to 1,134.21, 1,701.39 and 403.59 is: 605.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134.21 : 1,701.39 = 403.59 : x
  2. Step 2: Convert to fraction form
    1,134.21/1,701.39 = 403.59/x
  3. Step 3: Cross multiply
    1,134.21x = 1,701.39 × 403.59
  4. Step 4: Simplify right side
    1,134.21x = 686,663.99
  5. Step 5: Solve for x
    x = 686,663.99/1,134.21
  6. Step 6: Final answer
    x = 605.41

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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.