Home / 3,434.40-5,141.61-2,127.06

Finding the Fourth Proportional to 3,434.40, 5,141.61 and 2,127.06

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Solution

The fourth proportional to 3,434.40, 5,141.61 and 2,127.06 is: 3,184.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.40 : 5,141.61 = 2,127.06 : x
  2. Step 2: Convert to fraction form
    3,434.40/5,141.61 = 2,127.06/x
  3. Step 3: Cross multiply
    3,434.40x = 5,141.61 × 2,127.06
  4. Step 4: Simplify right side
    3,434.40x = 10,936,512.97
  5. Step 5: Solve for x
    x = 10,936,512.97/3,434.40
  6. Step 6: Final answer
    x = 3,184.40

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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.