Home / 3,298.20-4,551.54-1,900.95

Finding the Fourth Proportional to 3,298.20, 4,551.54 and 1,900.95

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Solution

The fourth proportional to 3,298.20, 4,551.54 and 1,900.95 is: 2,623.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298.20 : 4,551.54 = 1,900.95 : x
  2. Step 2: Convert to fraction form
    3,298.20/4,551.54 = 1,900.95/x
  3. Step 3: Cross multiply
    3,298.20x = 4,551.54 × 1,900.95
  4. Step 4: Simplify right side
    3,298.20x = 8,652,249.96
  5. Step 5: Solve for x
    x = 8,652,249.96/3,298.20
  6. Step 6: Final answer
    x = 2,623.32

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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.