Home / 1,546.81-2,134.61-865.45

Finding the Fourth Proportional to 1,546.81, 2,134.61 and 865.45

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Solution

The fourth proportional to 1,546.81, 2,134.61 and 865.45 is: 1,194.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,546.81 : 2,134.61 = 865.45 : x
  2. Step 2: Convert to fraction form
    1,546.81/2,134.61 = 865.45/x
  3. Step 3: Cross multiply
    1,546.81x = 2,134.61 × 865.45
  4. Step 4: Simplify right side
    1,546.81x = 1,847,383.22
  5. Step 5: Solve for x
    x = 1,847,383.22/1,546.81
  6. Step 6: Final answer
    x = 1,194.32

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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.