Home / 2,519.18-3,780.30-1,058.48

Finding the Fourth Proportional to 2,519.18, 3,780.30 and 1,058.48

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Solution

The fourth proportional to 2,519.18, 3,780.30 and 1,058.48 is: 1,588.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519.18 : 3,780.30 = 1,058.48 : x
  2. Step 2: Convert to fraction form
    2,519.18/3,780.30 = 1,058.48/x
  3. Step 3: Cross multiply
    2,519.18x = 3,780.30 × 1,058.48
  4. Step 4: Simplify right side
    2,519.18x = 4,001,371.94
  5. Step 5: Solve for x
    x = 4,001,371.94/2,519.18
  6. Step 6: Final answer
    x = 1,588.36

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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.