Home / 1,183.12-1,632.74-651.97

Finding the Fourth Proportional to 1,183.12, 1,632.74 and 651.97

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Solution

The fourth proportional to 1,183.12, 1,632.74 and 651.97 is: 899.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183.12 : 1,632.74 = 651.97 : x
  2. Step 2: Convert to fraction form
    1,183.12/1,632.74 = 651.97/x
  3. Step 3: Cross multiply
    1,183.12x = 1,632.74 × 651.97
  4. Step 4: Simplify right side
    1,183.12x = 1,064,496.28
  5. Step 5: Solve for x
    x = 1,064,496.28/1,183.12
  6. Step 6: Final answer
    x = 899.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.