Home / 3,280.23-4,920.35-1,635.12

Finding the Fourth Proportional to 3,280.23, 4,920.35 and 1,635.12

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Solution

The fourth proportional to 3,280.23, 4,920.35 and 1,635.12 is: 2,452.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.23 : 4,920.35 = 1,635.12 : x
  2. Step 2: Convert to fraction form
    3,280.23/4,920.35 = 1,635.12/x
  3. Step 3: Cross multiply
    3,280.23x = 4,920.35 × 1,635.12
  4. Step 4: Simplify right side
    3,280.23x = 8,045,354.52
  5. Step 5: Solve for x
    x = 8,045,354.52/3,280.23
  6. Step 6: Final answer
    x = 2,452.68

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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.