Home / 3,626.21-5,005.16-2,134.62

Finding the Fourth Proportional to 3,626.21, 5,005.16 and 2,134.62

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Solution

The fourth proportional to 3,626.21, 5,005.16 and 2,134.62 is: 2,946.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,626.21 : 5,005.16 = 2,134.62 : x
  2. Step 2: Convert to fraction form
    3,626.21/5,005.16 = 2,134.62/x
  3. Step 3: Cross multiply
    3,626.21x = 5,005.16 × 2,134.62
  4. Step 4: Simplify right side
    3,626.21x = 10,684,111.97
  5. Step 5: Solve for x
    x = 10,684,111.97/3,626.21
  6. Step 6: Final answer
    x = 2,946.36

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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.