Home / 3,539.75-4,883.42-2,140.07

Finding the Fourth Proportional to 3,539.75, 4,883.42 and 2,140.07

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Solution

The fourth proportional to 3,539.75, 4,883.42 and 2,140.07 is: 2,952.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.75 : 4,883.42 = 2,140.07 : x
  2. Step 2: Convert to fraction form
    3,539.75/4,883.42 = 2,140.07/x
  3. Step 3: Cross multiply
    3,539.75x = 4,883.42 × 2,140.07
  4. Step 4: Simplify right side
    3,539.75x = 10,450,841.57
  5. Step 5: Solve for x
    x = 10,450,841.57/3,539.75
  6. Step 6: Final answer
    x = 2,952.43

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1.5x scale

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.