Home / 3,389.24-5,083.86-1,540.28

Finding the Fourth Proportional to 3,389.24, 5,083.86 and 1,540.28

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Solution

The fourth proportional to 3,389.24, 5,083.86 and 1,540.28 is: 2,310.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.24 : 5,083.86 = 1,540.28 : x
  2. Step 2: Convert to fraction form
    3,389.24/5,083.86 = 1,540.28/x
  3. Step 3: Cross multiply
    3,389.24x = 5,083.86 × 1,540.28
  4. Step 4: Simplify right side
    3,389.24x = 7,830,567.88
  5. Step 5: Solve for x
    x = 7,830,567.88/3,389.24
  6. Step 6: Final answer
    x = 2,310.42

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1.5x scale

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.