Home / 3,364.20-5,046.30-1,720.20

Finding the Fourth Proportional to 3,364.20, 5,046.30 and 1,720.20

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Solution

The fourth proportional to 3,364.20, 5,046.30 and 1,720.20 is: 2,580.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,364.20 : 5,046.30 = 1,720.20 : x
  2. Step 2: Convert to fraction form
    3,364.20/5,046.30 = 1,720.20/x
  3. Step 3: Cross multiply
    3,364.20x = 5,046.30 × 1,720.20
  4. Step 4: Simplify right side
    3,364.20x = 8,680,645.26
  5. Step 5: Solve for x
    x = 8,680,645.26/3,364.20
  6. Step 6: Final answer
    x = 2,580.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.