Home / 3,680.15-5,521.58-1,706.73

Finding the Fourth Proportional to 3,680.15, 5,521.58 and 1,706.73

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Solution

The fourth proportional to 3,680.15, 5,521.58 and 1,706.73 is: 2,560.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680.15 : 5,521.58 = 1,706.73 : x
  2. Step 2: Convert to fraction form
    3,680.15/5,521.58 = 1,706.73/x
  3. Step 3: Cross multiply
    3,680.15x = 5,521.58 × 1,706.73
  4. Step 4: Simplify right side
    3,680.15x = 9,423,837.70
  5. Step 5: Solve for x
    x = 9,423,837.70/3,680.15
  6. Step 6: Final answer
    x = 2,560.72

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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.