Home / 3,330.38-4,995.38-1,021.88

Finding the Fourth Proportional to 3,330.38, 4,995.38 and 1,021.88

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Solution

The fourth proportional to 3,330.38, 4,995.38 and 1,021.88 is: 1,532.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.38 : 4,995.38 = 1,021.88 : x
  2. Step 2: Convert to fraction form
    3,330.38/4,995.38 = 1,021.88/x
  3. Step 3: Cross multiply
    3,330.38x = 4,995.38 × 1,021.88
  4. Step 4: Simplify right side
    3,330.38x = 5,104,678.91
  5. Step 5: Solve for x
    x = 5,104,678.91/3,330.38
  6. Step 6: Final answer
    x = 1,532.76

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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.