Home / 3,340.64-4,609.50-2,081.30

Finding the Fourth Proportional to 3,340.64, 4,609.50 and 2,081.30

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Solution

The fourth proportional to 3,340.64, 4,609.50 and 2,081.30 is: 2,871.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.64 : 4,609.50 = 2,081.30 : x
  2. Step 2: Convert to fraction form
    3,340.64/4,609.50 = 2,081.30/x
  3. Step 3: Cross multiply
    3,340.64x = 4,609.50 × 2,081.30
  4. Step 4: Simplify right side
    3,340.64x = 9,593,752.35
  5. Step 5: Solve for x
    x = 9,593,752.35/3,340.64
  6. Step 6: Final answer
    x = 2,871.83

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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.