Home / 3,520.95-5,280.68-2,267.79

Finding the Fourth Proportional to 3,520.95, 5,280.68 and 2,267.79

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Solution

The fourth proportional to 3,520.95, 5,280.68 and 2,267.79 is: 3,401.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.95 : 5,280.68 = 2,267.79 : x
  2. Step 2: Convert to fraction form
    3,520.95/5,280.68 = 2,267.79/x
  3. Step 3: Cross multiply
    3,520.95x = 5,280.68 × 2,267.79
  4. Step 4: Simplify right side
    3,520.95x = 11,975,435.55
  5. Step 5: Solve for x
    x = 11,975,435.55/3,520.95
  6. Step 6: Final answer
    x = 3,401.20

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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.