Home / 3,680.95-5,522.05-2,620.94

Finding the Fourth Proportional to 3,680.95, 5,522.05 and 2,620.94

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Solution

The fourth proportional to 3,680.95, 5,522.05 and 2,620.94 is: 3,931.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680.95 : 5,522.05 = 2,620.94 : x
  2. Step 2: Convert to fraction form
    3,680.95/5,522.05 = 2,620.94/x
  3. Step 3: Cross multiply
    3,680.95x = 5,522.05 × 2,620.94
  4. Step 4: Simplify right side
    3,680.95x = 14,472,927.56
  5. Step 5: Solve for x
    x = 14,472,927.56/3,680.95
  6. Step 6: Final answer
    x = 3,931.85

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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.