Home / 1,493.29-2,240.30-519.37

Finding the Fourth Proportional to 1,493.29, 2,240.30 and 519.37

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Solution

The fourth proportional to 1,493.29, 2,240.30 and 519.37 is: 779.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493.29 : 2,240.30 = 519.37 : x
  2. Step 2: Convert to fraction form
    1,493.29/2,240.30 = 519.37/x
  3. Step 3: Cross multiply
    1,493.29x = 2,240.30 × 519.37
  4. Step 4: Simplify right side
    1,493.29x = 1,163,544.61
  5. Step 5: Solve for x
    x = 1,163,544.61/1,493.29
  6. Step 6: Final answer
    x = 779.18

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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.