Home / 3,132.14-4,720.22-2,820.17

Finding the Fourth Proportional to 3,132.14, 4,720.22 and 2,820.17

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Solution

The fourth proportional to 3,132.14, 4,720.22 and 2,820.17 is: 4,250.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.14 : 4,720.22 = 2,820.17 : x
  2. Step 2: Convert to fraction form
    3,132.14/4,720.22 = 2,820.17/x
  3. Step 3: Cross multiply
    3,132.14x = 4,720.22 × 2,820.17
  4. Step 4: Simplify right side
    3,132.14x = 13,311,785.14
  5. Step 5: Solve for x
    x = 13,311,785.14/3,132.14
  6. Step 6: Final answer
    x = 4,250.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.