Home / 3,540.16-4,887.12-2,214.56

Finding the Fourth Proportional to 3,540.16, 4,887.12 and 2,214.56

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Solution

The fourth proportional to 3,540.16, 4,887.12 and 2,214.56 is: 3,057.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.16 : 4,887.12 = 2,214.56 : x
  2. Step 2: Convert to fraction form
    3,540.16/4,887.12 = 2,214.56/x
  3. Step 3: Cross multiply
    3,540.16x = 4,887.12 × 2,214.56
  4. Step 4: Simplify right side
    3,540.16x = 10,822,820.47
  5. Step 5: Solve for x
    x = 10,822,820.47/3,540.16
  6. Step 6: Final answer
    x = 3,057.16

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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.