Home / 3,401.54-5,102.75-2,345.39

Finding the Fourth Proportional to 3,401.54, 5,102.75 and 2,345.39

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Solution

The fourth proportional to 3,401.54, 5,102.75 and 2,345.39 is: 3,518.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401.54 : 5,102.75 = 2,345.39 : x
  2. Step 2: Convert to fraction form
    3,401.54/5,102.75 = 2,345.39/x
  3. Step 3: Cross multiply
    3,401.54x = 5,102.75 × 2,345.39
  4. Step 4: Simplify right side
    3,401.54x = 11,967,938.82
  5. Step 5: Solve for x
    x = 11,967,938.82/3,401.54
  6. Step 6: Final answer
    x = 3,518.39

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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.