Home / 1,484.43-2,226.24-510.21

Finding the Fourth Proportional to 1,484.43, 2,226.24 and 510.21

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Solution

The fourth proportional to 1,484.43, 2,226.24 and 510.21 is: 765.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484.43 : 2,226.24 = 510.21 : x
  2. Step 2: Convert to fraction form
    1,484.43/2,226.24 = 510.21/x
  3. Step 3: Cross multiply
    1,484.43x = 2,226.24 × 510.21
  4. Step 4: Simplify right side
    1,484.43x = 1,135,849.91
  5. Step 5: Solve for x
    x = 1,135,849.91/1,484.43
  6. Step 6: Final answer
    x = 765.18

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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.