Home / 2,622.16-3,618.26-1,443.16

Finding the Fourth Proportional to 2,622.16, 3,618.26 and 1,443.16

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Solution

The fourth proportional to 2,622.16, 3,618.26 and 1,443.16 is: 1,991.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,622.16 : 3,618.26 = 1,443.16 : x
  2. Step 2: Convert to fraction form
    2,622.16/3,618.26 = 1,443.16/x
  3. Step 3: Cross multiply
    2,622.16x = 3,618.26 × 1,443.16
  4. Step 4: Simplify right side
    2,622.16x = 5,221,728.10
  5. Step 5: Solve for x
    x = 5,221,728.10/2,622.16
  6. Step 6: Final answer
    x = 1,991.38

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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.