Home / 2,622.14-3,618.90-2,400.69

Finding the Fourth Proportional to 2,622.14, 3,618.90 and 2,400.69

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Solution

The fourth proportional to 2,622.14, 3,618.90 and 2,400.69 is: 3,313.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,622.14 : 3,618.90 = 2,400.69 : x
  2. Step 2: Convert to fraction form
    2,622.14/3,618.90 = 2,400.69/x
  3. Step 3: Cross multiply
    2,622.14x = 3,618.90 × 2,400.69
  4. Step 4: Simplify right side
    2,622.14x = 8,687,857.04
  5. Step 5: Solve for x
    x = 8,687,857.04/2,622.14
  6. Step 6: Final answer
    x = 3,313.28

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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.