Home / 3,635.98-5,450.18-1,686.58

Finding the Fourth Proportional to 3,635.98, 5,450.18 and 1,686.58

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Solution

The fourth proportional to 3,635.98, 5,450.18 and 1,686.58 is: 2,528.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.98 : 5,450.18 = 1,686.58 : x
  2. Step 2: Convert to fraction form
    3,635.98/5,450.18 = 1,686.58/x
  3. Step 3: Cross multiply
    3,635.98x = 5,450.18 × 1,686.58
  4. Step 4: Simplify right side
    3,635.98x = 9,192,164.58
  5. Step 5: Solve for x
    x = 9,192,164.58/3,635.98
  6. Step 6: Final answer
    x = 2,528.11

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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.