Home / 3,360.45-4,637.49-1,868.43

Finding the Fourth Proportional to 3,360.45, 4,637.49 and 1,868.43

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Solution

The fourth proportional to 3,360.45, 4,637.49 and 1,868.43 is: 2,578.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.45 : 4,637.49 = 1,868.43 : x
  2. Step 2: Convert to fraction form
    3,360.45/4,637.49 = 1,868.43/x
  3. Step 3: Cross multiply
    3,360.45x = 4,637.49 × 1,868.43
  4. Step 4: Simplify right side
    3,360.45x = 8,664,825.44
  5. Step 5: Solve for x
    x = 8,664,825.44/3,360.45
  6. Step 6: Final answer
    x = 2,578.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.