Home / 3,626.07-5,440.64-2,165.22

Finding the Fourth Proportional to 3,626.07, 5,440.64 and 2,165.22

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Solution

The fourth proportional to 3,626.07, 5,440.64 and 2,165.22 is: 3,248.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,626.07 : 5,440.64 = 2,165.22 : x
  2. Step 2: Convert to fraction form
    3,626.07/5,440.64 = 2,165.22/x
  3. Step 3: Cross multiply
    3,626.07x = 5,440.64 × 2,165.22
  4. Step 4: Simplify right side
    3,626.07x = 11,780,182.54
  5. Step 5: Solve for x
    x = 11,780,182.54/3,626.07
  6. Step 6: Final answer
    x = 3,248.75

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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.