Home / 2,455.98-3,680.30-2,102.48

Finding the Fourth Proportional to 2,455.98, 3,680.30 and 2,102.48

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Solution

The fourth proportional to 2,455.98, 3,680.30 and 2,102.48 is: 3,150.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.98 : 3,680.30 = 2,102.48 : x
  2. Step 2: Convert to fraction form
    2,455.98/3,680.30 = 2,102.48/x
  3. Step 3: Cross multiply
    2,455.98x = 3,680.30 × 2,102.48
  4. Step 4: Simplify right side
    2,455.98x = 7,737,757.14
  5. Step 5: Solve for x
    x = 7,737,757.14/2,455.98
  6. Step 6: Final answer
    x = 3,150.58

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1.5x scale

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.