Home / 3,406.60-4,701.48-2,080.30

Finding the Fourth Proportional to 3,406.60, 4,701.48 and 2,080.30

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Solution

The fourth proportional to 3,406.60, 4,701.48 and 2,080.30 is: 2,871.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406.60 : 4,701.48 = 2,080.30 : x
  2. Step 2: Convert to fraction form
    3,406.60/4,701.48 = 2,080.30/x
  3. Step 3: Cross multiply
    3,406.60x = 4,701.48 × 2,080.30
  4. Step 4: Simplify right side
    3,406.60x = 9,780,488.84
  5. Step 5: Solve for x
    x = 9,780,488.84/3,406.60
  6. Step 6: Final answer
    x = 2,871.04

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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.