Home / 2,463.74-3,400.20-1,415.78

Finding the Fourth Proportional to 2,463.74, 3,400.20 and 1,415.78

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Solution

The fourth proportional to 2,463.74, 3,400.20 and 1,415.78 is: 1,953.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,463.74 : 3,400.20 = 1,415.78 : x
  2. Step 2: Convert to fraction form
    2,463.74/3,400.20 = 1,415.78/x
  3. Step 3: Cross multiply
    2,463.74x = 3,400.20 × 1,415.78
  4. Step 4: Simplify right side
    2,463.74x = 4,813,935.16
  5. Step 5: Solve for x
    x = 4,813,935.16/2,463.74
  6. Step 6: Final answer
    x = 1,953.91

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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.