Home / 3,539.36-5,300.40-2,571.68

Finding the Fourth Proportional to 3,539.36, 5,300.40 and 2,571.68

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Solution

The fourth proportional to 3,539.36, 5,300.40 and 2,571.68 is: 3,851.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.36 : 5,300.40 = 2,571.68 : x
  2. Step 2: Convert to fraction form
    3,539.36/5,300.40 = 2,571.68/x
  3. Step 3: Cross multiply
    3,539.36x = 5,300.40 × 2,571.68
  4. Step 4: Simplify right side
    3,539.36x = 13,630,932.67
  5. Step 5: Solve for x
    x = 13,630,932.67/3,539.36
  6. Step 6: Final answer
    x = 3,851.24

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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.