Home / 3,330.73-4,996.86-1,139.47

Finding the Fourth Proportional to 3,330.73, 4,996.86 and 1,139.47

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Solution

The fourth proportional to 3,330.73, 4,996.86 and 1,139.47 is: 1,709.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.73 : 4,996.86 = 1,139.47 : x
  2. Step 2: Convert to fraction form
    3,330.73/4,996.86 = 1,139.47/x
  3. Step 3: Cross multiply
    3,330.73x = 4,996.86 × 1,139.47
  4. Step 4: Simplify right side
    3,330.73x = 5,693,772.06
  5. Step 5: Solve for x
    x = 5,693,772.06/3,330.73
  6. Step 6: Final answer
    x = 1,709.47

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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.