Home / 2,415.22-3,620.37-934.04

Finding the Fourth Proportional to 2,415.22, 3,620.37 and 934.04

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Solution

The fourth proportional to 2,415.22, 3,620.37 and 934.04 is: 1,400.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415.22 : 3,620.37 = 934.04 : x
  2. Step 2: Convert to fraction form
    2,415.22/3,620.37 = 934.04/x
  3. Step 3: Cross multiply
    2,415.22x = 3,620.37 × 934.04
  4. Step 4: Simplify right side
    2,415.22x = 3,381,570.39
  5. Step 5: Solve for x
    x = 3,381,570.39/2,415.22
  6. Step 6: Final answer
    x = 1,400.11

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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.