Home / 3,622.23-5,440.04-2,170.30

Finding the Fourth Proportional to 3,622.23, 5,440.04 and 2,170.30

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Solution

The fourth proportional to 3,622.23, 5,440.04 and 2,170.30 is: 3,259.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.23 : 5,440.04 = 2,170.30 : x
  2. Step 2: Convert to fraction form
    3,622.23/5,440.04 = 2,170.30/x
  3. Step 3: Cross multiply
    3,622.23x = 5,440.04 × 2,170.30
  4. Step 4: Simplify right side
    3,622.23x = 11,806,518.81
  5. Step 5: Solve for x
    x = 11,806,518.81/3,622.23
  6. Step 6: Final answer
    x = 3,259.46

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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.