Home / 2,367.20-3,259.77-1,620.38

Finding the Fourth Proportional to 2,367.20, 3,259.77 and 1,620.38

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Solution

The fourth proportional to 2,367.20, 3,259.77 and 1,620.38 is: 2,231.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,367.20 : 3,259.77 = 1,620.38 : x
  2. Step 2: Convert to fraction form
    2,367.20/3,259.77 = 1,620.38/x
  3. Step 3: Cross multiply
    2,367.20x = 3,259.77 × 1,620.38
  4. Step 4: Simplify right side
    2,367.20x = 5,282,066.11
  5. Step 5: Solve for x
    x = 5,282,066.11/2,367.20
  6. Step 6: Final answer
    x = 2,231.36

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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.