Home / 2,415.42-3,620.62-1,373.17

Finding the Fourth Proportional to 2,415.42, 3,620.62 and 1,373.17

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Solution

The fourth proportional to 2,415.42, 3,620.62 and 1,373.17 is: 2,058.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415.42 : 3,620.62 = 1,373.17 : x
  2. Step 2: Convert to fraction form
    2,415.42/3,620.62 = 1,373.17/x
  3. Step 3: Cross multiply
    2,415.42x = 3,620.62 × 1,373.17
  4. Step 4: Simplify right side
    2,415.42x = 4,971,734.65
  5. Step 5: Solve for x
    x = 4,971,734.65/2,415.42
  6. Step 6: Final answer
    x = 2,058.33

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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.