Home / 3,213.45-4,820.19-1,364.10

Finding the Fourth Proportional to 3,213.45, 4,820.19 and 1,364.10

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Solution

The fourth proportional to 3,213.45, 4,820.19 and 1,364.10 is: 2,046.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.45 : 4,820.19 = 1,364.10 : x
  2. Step 2: Convert to fraction form
    3,213.45/4,820.19 = 1,364.10/x
  3. Step 3: Cross multiply
    3,213.45x = 4,820.19 × 1,364.10
  4. Step 4: Simplify right side
    3,213.45x = 6,575,221.18
  5. Step 5: Solve for x
    x = 6,575,221.18/3,213.45
  6. Step 6: Final answer
    x = 2,046.16

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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.