Home / 3,921.43-5,411.24-2,242.30

Finding the Fourth Proportional to 3,921.43, 5,411.24 and 2,242.30

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Solution

The fourth proportional to 3,921.43, 5,411.24 and 2,242.30 is: 3,094.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921.43 : 5,411.24 = 2,242.30 : x
  2. Step 2: Convert to fraction form
    3,921.43/5,411.24 = 2,242.30/x
  3. Step 3: Cross multiply
    3,921.43x = 5,411.24 × 2,242.30
  4. Step 4: Simplify right side
    3,921.43x = 12,133,612.24
  5. Step 5: Solve for x
    x = 12,133,612.24/3,921.43
  6. Step 6: Final answer
    x = 3,094.18

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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.