Home / 2,455.96-3,680.34-1,937.20

Finding the Fourth Proportional to 2,455.96, 3,680.34 and 1,937.20

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Solution

The fourth proportional to 2,455.96, 3,680.34 and 1,937.20 is: 2,902.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.96 : 3,680.34 = 1,937.20 : x
  2. Step 2: Convert to fraction form
    2,455.96/3,680.34 = 1,937.20/x
  3. Step 3: Cross multiply
    2,455.96x = 3,680.34 × 1,937.20
  4. Step 4: Simplify right side
    2,455.96x = 7,129,554.65
  5. Step 5: Solve for x
    x = 7,129,554.65/2,455.96
  6. Step 6: Final answer
    x = 2,902.96

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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.