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Finding the Fourth Proportional to 2,463.53, 3,695.35 and 820.09

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Solution

The fourth proportional to 2,463.53, 3,695.35 and 820.09 is: 1,230.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,463.53 : 3,695.35 = 820.09 : x
  2. Step 2: Convert to fraction form
    2,463.53/3,695.35 = 820.09/x
  3. Step 3: Cross multiply
    2,463.53x = 3,695.35 × 820.09
  4. Step 4: Simplify right side
    2,463.53x = 3,030,519.58
  5. Step 5: Solve for x
    x = 3,030,519.58/2,463.53
  6. Step 6: Final answer
    x = 1,230.15

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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.