Home / 3,418.14-5,123.22-1,569.45

Finding the Fourth Proportional to 3,418.14, 5,123.22 and 1,569.45

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Solution

The fourth proportional to 3,418.14, 5,123.22 and 1,569.45 is: 2,352.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.14 : 5,123.22 = 1,569.45 : x
  2. Step 2: Convert to fraction form
    3,418.14/5,123.22 = 1,569.45/x
  3. Step 3: Cross multiply
    3,418.14x = 5,123.22 × 1,569.45
  4. Step 4: Simplify right side
    3,418.14x = 8,040,637.63
  5. Step 5: Solve for x
    x = 8,040,637.63/3,418.14
  6. Step 6: Final answer
    x = 2,352.34

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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.