Home / 2,620.90-3,616.88-2,032.23

Finding the Fourth Proportional to 2,620.90, 3,616.88 and 2,032.23

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Solution

The fourth proportional to 2,620.90, 3,616.88 and 2,032.23 is: 2,804.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620.90 : 3,616.88 = 2,032.23 : x
  2. Step 2: Convert to fraction form
    2,620.90/3,616.88 = 2,032.23/x
  3. Step 3: Cross multiply
    2,620.90x = 3,616.88 × 2,032.23
  4. Step 4: Simplify right side
    2,620.90x = 7,350,321.88
  5. Step 5: Solve for x
    x = 7,350,321.88/2,620.90
  6. Step 6: Final answer
    x = 2,804.51

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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.