Home / 3,539.90-4,884.99-2,047.79

Finding the Fourth Proportional to 3,539.90, 4,884.99 and 2,047.79

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Solution

The fourth proportional to 3,539.90, 4,884.99 and 2,047.79 is: 2,825.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.90 : 4,884.99 = 2,047.79 : x
  2. Step 2: Convert to fraction form
    3,539.90/4,884.99 = 2,047.79/x
  3. Step 3: Cross multiply
    3,539.90x = 4,884.99 × 2,047.79
  4. Step 4: Simplify right side
    3,539.90x = 10,003,433.67
  5. Step 5: Solve for x
    x = 10,003,433.67/3,539.90
  6. Step 6: Final answer
    x = 2,825.91

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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.