Home / 2,622.39-3,616.86-1,627.12

Finding the Fourth Proportional to 2,622.39, 3,616.86 and 1,627.12

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Solution

The fourth proportional to 2,622.39, 3,616.86 and 1,627.12 is: 2,244.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,622.39 : 3,616.86 = 1,627.12 : x
  2. Step 2: Convert to fraction form
    2,622.39/3,616.86 = 1,627.12/x
  3. Step 3: Cross multiply
    2,622.39x = 3,616.86 × 1,627.12
  4. Step 4: Simplify right side
    2,622.39x = 5,885,065.24
  5. Step 5: Solve for x
    x = 5,885,065.24/2,622.39
  6. Step 6: Final answer
    x = 2,244.16

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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.