Home / 3,406.12-4,700.79-2,080.60

Finding the Fourth Proportional to 3,406.12, 4,700.79 and 2,080.60

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Solution

The fourth proportional to 3,406.12, 4,700.79 and 2,080.60 is: 2,871.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406.12 : 4,700.79 = 2,080.60 : x
  2. Step 2: Convert to fraction form
    3,406.12/4,700.79 = 2,080.60/x
  3. Step 3: Cross multiply
    3,406.12x = 4,700.79 × 2,080.60
  4. Step 4: Simplify right side
    3,406.12x = 9,780,463.67
  5. Step 5: Solve for x
    x = 9,780,463.67/3,406.12
  6. Step 6: Final answer
    x = 2,871.44

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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.