Home / 2,378.25-3,565.71-1,208.61

Finding the Fourth Proportional to 2,378.25, 3,565.71 and 1,208.61

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Solution

The fourth proportional to 2,378.25, 3,565.71 and 1,208.61 is: 1,812.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378.25 : 3,565.71 = 1,208.61 : x
  2. Step 2: Convert to fraction form
    2,378.25/3,565.71 = 1,208.61/x
  3. Step 3: Cross multiply
    2,378.25x = 3,565.71 × 1,208.61
  4. Step 4: Simplify right side
    2,378.25x = 4,309,552.76
  5. Step 5: Solve for x
    x = 4,309,552.76/2,378.25
  6. Step 6: Final answer
    x = 1,812.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.