Home / 3,330.60-4,995.90-3,298.20

Finding the Fourth Proportional to 3,330.60, 4,995.90 and 3,298.20

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Solution

The fourth proportional to 3,330.60, 4,995.90 and 3,298.20 is: 4,947.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.60 : 4,995.90 = 3,298.20 : x
  2. Step 2: Convert to fraction form
    3,330.60/4,995.90 = 3,298.20/x
  3. Step 3: Cross multiply
    3,330.60x = 4,995.90 × 3,298.20
  4. Step 4: Simplify right side
    3,330.60x = 16,477,477.38
  5. Step 5: Solve for x
    x = 16,477,477.38/3,330.60
  6. Step 6: Final answer
    x = 4,947.30

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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.