Home / 3,621.72-5,002.08-2,440.74

Finding the Fourth Proportional to 3,621.72, 5,002.08 and 2,440.74

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Solution

The fourth proportional to 3,621.72, 5,002.08 and 2,440.74 is: 3,370.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.72 : 5,002.08 = 2,440.74 : x
  2. Step 2: Convert to fraction form
    3,621.72/5,002.08 = 2,440.74/x
  3. Step 3: Cross multiply
    3,621.72x = 5,002.08 × 2,440.74
  4. Step 4: Simplify right side
    3,621.72x = 12,208,751.73
  5. Step 5: Solve for x
    x = 12,208,751.73/3,621.72
  6. Step 6: Final answer
    x = 3,370.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.