Home / 3,522.57-5,280.74-1,329.76

Finding the Fourth Proportional to 3,522.57, 5,280.74 and 1,329.76

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Solution

The fourth proportional to 3,522.57, 5,280.74 and 1,329.76 is: 1,993.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,522.57 : 5,280.74 = 1,329.76 : x
  2. Step 2: Convert to fraction form
    3,522.57/5,280.74 = 1,329.76/x
  3. Step 3: Cross multiply
    3,522.57x = 5,280.74 × 1,329.76
  4. Step 4: Simplify right side
    3,522.57x = 7,022,103.17
  5. Step 5: Solve for x
    x = 7,022,103.17/3,522.57
  6. Step 6: Final answer
    x = 1,993.46

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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.