Home / 3,539.11-4,884.09-1,967.21

Finding the Fourth Proportional to 3,539.11, 4,884.09 and 1,967.21

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Solution

The fourth proportional to 3,539.11, 4,884.09 and 1,967.21 is: 2,714.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.11 : 4,884.09 = 1,967.21 : x
  2. Step 2: Convert to fraction form
    3,539.11/4,884.09 = 1,967.21/x
  3. Step 3: Cross multiply
    3,539.11x = 4,884.09 × 1,967.21
  4. Step 4: Simplify right side
    3,539.11x = 9,608,030.69
  5. Step 5: Solve for x
    x = 9,608,030.69/3,539.11
  6. Step 6: Final answer
    x = 2,714.82

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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.