Home / 1,481.24-2,044.10-891.65

Finding the Fourth Proportional to 1,481.24, 2,044.10 and 891.65

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Solution

The fourth proportional to 1,481.24, 2,044.10 and 891.65 is: 1,230.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481.24 : 2,044.10 = 891.65 : x
  2. Step 2: Convert to fraction form
    1,481.24/2,044.10 = 891.65/x
  3. Step 3: Cross multiply
    1,481.24x = 2,044.10 × 891.65
  4. Step 4: Simplify right side
    1,481.24x = 1,822,621.77
  5. Step 5: Solve for x
    x = 1,822,621.77/1,481.24
  6. Step 6: Final answer
    x = 1,230.47

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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.