Home / 3,298.85-4,552.55-1,806.90

Finding the Fourth Proportional to 3,298.85, 4,552.55 and 1,806.90

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Solution

The fourth proportional to 3,298.85, 4,552.55 and 1,806.90 is: 2,493.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298.85 : 4,552.55 = 1,806.90 : x
  2. Step 2: Convert to fraction form
    3,298.85/4,552.55 = 1,806.90/x
  3. Step 3: Cross multiply
    3,298.85x = 4,552.55 × 1,806.90
  4. Step 4: Simplify right side
    3,298.85x = 8,226,002.60
  5. Step 5: Solve for x
    x = 8,226,002.60/3,298.85
  6. Step 6: Final answer
    x = 2,493.60

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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.