Home / 2,415.19-3,619.17-1,758.31

Finding the Fourth Proportional to 2,415.19, 3,619.17 and 1,758.31

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Solution

The fourth proportional to 2,415.19, 3,619.17 and 1,758.31 is: 2,634.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415.19 : 3,619.17 = 1,758.31 : x
  2. Step 2: Convert to fraction form
    2,415.19/3,619.17 = 1,758.31/x
  3. Step 3: Cross multiply
    2,415.19x = 3,619.17 × 1,758.31
  4. Step 4: Simplify right side
    2,415.19x = 6,363,622.80
  5. Step 5: Solve for x
    x = 6,363,622.80/2,415.19
  6. Step 6: Final answer
    x = 2,634.83

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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.