Home / 1,481.76-2,043.58-1,109.62

Finding the Fourth Proportional to 1,481.76, 2,043.58 and 1,109.62

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Solution

The fourth proportional to 1,481.76, 2,043.58 and 1,109.62 is: 1,530.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481.76 : 2,043.58 = 1,109.62 : x
  2. Step 2: Convert to fraction form
    1,481.76/2,043.58 = 1,109.62/x
  3. Step 3: Cross multiply
    1,481.76x = 2,043.58 × 1,109.62
  4. Step 4: Simplify right side
    1,481.76x = 2,267,597.24
  5. Step 5: Solve for x
    x = 2,267,597.24/1,481.76
  6. Step 6: Final answer
    x = 1,530.34

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1.5x scale

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.