Home / 3,640.62-5,460.93-1,559.28

Finding the Fourth Proportional to 3,640.62, 5,460.93 and 1,559.28

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Solution

The fourth proportional to 3,640.62, 5,460.93 and 1,559.28 is: 2,338.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.62 : 5,460.93 = 1,559.28 : x
  2. Step 2: Convert to fraction form
    3,640.62/5,460.93 = 1,559.28/x
  3. Step 3: Cross multiply
    3,640.62x = 5,460.93 × 1,559.28
  4. Step 4: Simplify right side
    3,640.62x = 8,515,118.93
  5. Step 5: Solve for x
    x = 8,515,118.93/3,640.62
  6. Step 6: Final answer
    x = 2,338.92

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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.