Home / 2,522.10-3,778.20-1,653.78

Finding the Fourth Proportional to 2,522.10, 3,778.20 and 1,653.78

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Solution

The fourth proportional to 2,522.10, 3,778.20 and 1,653.78 is: 2,477.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,522.10 : 3,778.20 = 1,653.78 : x
  2. Step 2: Convert to fraction form
    2,522.10/3,778.20 = 1,653.78/x
  3. Step 3: Cross multiply
    2,522.10x = 3,778.20 × 1,653.78
  4. Step 4: Simplify right side
    2,522.10x = 6,248,311.60
  5. Step 5: Solve for x
    x = 6,248,311.60/2,522.10
  6. Step 6: Final answer
    x = 2,477.42

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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.