Home / 2,463.75-3,400.38-1,415.61

Finding the Fourth Proportional to 2,463.75, 3,400.38 and 1,415.61

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Solution

The fourth proportional to 2,463.75, 3,400.38 and 1,415.61 is: 1,953.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,463.75 : 3,400.38 = 1,415.61 : x
  2. Step 2: Convert to fraction form
    2,463.75/3,400.38 = 1,415.61/x
  3. Step 3: Cross multiply
    2,463.75x = 3,400.38 × 1,415.61
  4. Step 4: Simplify right side
    2,463.75x = 4,813,611.93
  5. Step 5: Solve for x
    x = 4,813,611.93/2,463.75
  6. Step 6: Final answer
    x = 1,953.77

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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.