Home / 1,163.16-1,747.71-615.69

Finding the Fourth Proportional to 1,163.16, 1,747.71 and 615.69

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Solution

The fourth proportional to 1,163.16, 1,747.71 and 615.69 is: 925.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163.16 : 1,747.71 = 615.69 : x
  2. Step 2: Convert to fraction form
    1,163.16/1,747.71 = 615.69/x
  3. Step 3: Cross multiply
    1,163.16x = 1,747.71 × 615.69
  4. Step 4: Simplify right side
    1,163.16x = 1,076,047.57
  5. Step 5: Solve for x
    x = 1,076,047.57/1,163.16
  6. Step 6: Final answer
    x = 925.11

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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.