Home / 3,680.46-5,521.65-2,228.94

Finding the Fourth Proportional to 3,680.46, 5,521.65 and 2,228.94

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Solution

The fourth proportional to 3,680.46, 5,521.65 and 2,228.94 is: 3,343.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680.46 : 5,521.65 = 2,228.94 : x
  2. Step 2: Convert to fraction form
    3,680.46/5,521.65 = 2,228.94/x
  3. Step 3: Cross multiply
    3,680.46x = 5,521.65 × 2,228.94
  4. Step 4: Simplify right side
    3,680.46x = 12,307,426.55
  5. Step 5: Solve for x
    x = 12,307,426.55/3,680.46
  6. Step 6: Final answer
    x = 3,343.99

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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.