Home / 3,406.11-4,700.94-2,080.58

Finding the Fourth Proportional to 3,406.11, 4,700.94 and 2,080.58

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Solution

The fourth proportional to 3,406.11, 4,700.94 and 2,080.58 is: 2,871.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406.11 : 4,700.94 = 2,080.58 : x
  2. Step 2: Convert to fraction form
    3,406.11/4,700.94 = 2,080.58/x
  3. Step 3: Cross multiply
    3,406.11x = 4,700.94 × 2,080.58
  4. Step 4: Simplify right side
    3,406.11x = 9,780,681.75
  5. Step 5: Solve for x
    x = 9,780,681.75/3,406.11
  6. Step 6: Final answer
    x = 2,871.51

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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.