Home / 2,340.41-3,508.84-1,415.75

Finding the Fourth Proportional to 2,340.41, 3,508.84 and 1,415.75

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Solution

The fourth proportional to 2,340.41, 3,508.84 and 1,415.75 is: 2,122.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,340.41 : 3,508.84 = 1,415.75 : x
  2. Step 2: Convert to fraction form
    2,340.41/3,508.84 = 1,415.75/x
  3. Step 3: Cross multiply
    2,340.41x = 3,508.84 × 1,415.75
  4. Step 4: Simplify right side
    2,340.41x = 4,967,640.23
  5. Step 5: Solve for x
    x = 4,967,640.23/2,340.41
  6. Step 6: Final answer
    x = 2,122.55

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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.