Home / 1,281.54-1,766.79-1,094.25

Finding the Fourth Proportional to 1,281.54, 1,766.79 and 1,094.25

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Solution

The fourth proportional to 1,281.54, 1,766.79 and 1,094.25 is: 1,508.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281.54 : 1,766.79 = 1,094.25 : x
  2. Step 2: Convert to fraction form
    1,281.54/1,766.79 = 1,094.25/x
  3. Step 3: Cross multiply
    1,281.54x = 1,766.79 × 1,094.25
  4. Step 4: Simplify right side
    1,281.54x = 1,933,309.96
  5. Step 5: Solve for x
    x = 1,933,309.96/1,281.54
  6. Step 6: Final answer
    x = 1,508.58

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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.