Home / 1,163.56-1,746.09-615.58

Finding the Fourth Proportional to 1,163.56, 1,746.09 and 615.58

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Solution

The fourth proportional to 1,163.56, 1,746.09 and 615.58 is: 923.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163.56 : 1,746.09 = 615.58 : x
  2. Step 2: Convert to fraction form
    1,163.56/1,746.09 = 615.58/x
  3. Step 3: Cross multiply
    1,163.56x = 1,746.09 × 615.58
  4. Step 4: Simplify right side
    1,163.56x = 1,074,858.08
  5. Step 5: Solve for x
    x = 1,074,858.08/1,163.56
  6. Step 6: Final answer
    x = 923.77

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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.