Home / 2,320.06-3,201.66-1,622.65

Finding the Fourth Proportional to 2,320.06, 3,201.66 and 1,622.65

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Solution

The fourth proportional to 2,320.06, 3,201.66 and 1,622.65 is: 2,239.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.06 : 3,201.66 = 1,622.65 : x
  2. Step 2: Convert to fraction form
    2,320.06/3,201.66 = 1,622.65/x
  3. Step 3: Cross multiply
    2,320.06x = 3,201.66 × 1,622.65
  4. Step 4: Simplify right side
    2,320.06x = 5,195,173.60
  5. Step 5: Solve for x
    x = 5,195,173.60/2,320.06
  6. Step 6: Final answer
    x = 2,239.24

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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.