Home / 3,374.10-5,058.98-1,425.78

Finding the Fourth Proportional to 3,374.10, 5,058.98 and 1,425.78

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Solution

The fourth proportional to 3,374.10, 5,058.98 and 1,425.78 is: 2,137.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,374.10 : 5,058.98 = 1,425.78 : x
  2. Step 2: Convert to fraction form
    3,374.10/5,058.98 = 1,425.78/x
  3. Step 3: Cross multiply
    3,374.10x = 5,058.98 × 1,425.78
  4. Step 4: Simplify right side
    3,374.10x = 7,212,992.50
  5. Step 5: Solve for x
    x = 7,212,992.50/3,374.10
  6. Step 6: Final answer
    x = 2,137.75

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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.