Home / 1,134.19-1,700.61-403.66

Finding the Fourth Proportional to 1,134.19, 1,700.61 and 403.66

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Solution

The fourth proportional to 1,134.19, 1,700.61 and 403.66 is: 605.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134.19 : 1,700.61 = 403.66 : x
  2. Step 2: Convert to fraction form
    1,134.19/1,700.61 = 403.66/x
  3. Step 3: Cross multiply
    1,134.19x = 1,700.61 × 403.66
  4. Step 4: Simplify right side
    1,134.19x = 686,468.23
  5. Step 5: Solve for x
    x = 686,468.23/1,134.19
  6. Step 6: Final answer
    x = 605.25

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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.