Home / 1,508.23-2,262.68-814.88

Finding the Fourth Proportional to 1,508.23, 2,262.68 and 814.88

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Solution

The fourth proportional to 1,508.23, 2,262.68 and 814.88 is: 1,222.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508.23 : 2,262.68 = 814.88 : x
  2. Step 2: Convert to fraction form
    1,508.23/2,262.68 = 814.88/x
  3. Step 3: Cross multiply
    1,508.23x = 2,262.68 × 814.88
  4. Step 4: Simplify right side
    1,508.23x = 1,843,820.37
  5. Step 5: Solve for x
    x = 1,843,820.37/1,508.23
  6. Step 6: Final answer
    x = 1,222.51

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1.5x scale

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.