Home / 3,330.44-4,995.66-1,139.18

Finding the Fourth Proportional to 3,330.44, 4,995.66 and 1,139.18

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Solution

The fourth proportional to 3,330.44, 4,995.66 and 1,139.18 is: 1,708.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.44 : 4,995.66 = 1,139.18 : x
  2. Step 2: Convert to fraction form
    3,330.44/4,995.66 = 1,139.18/x
  3. Step 3: Cross multiply
    3,330.44x = 4,995.66 × 1,139.18
  4. Step 4: Simplify right side
    3,330.44x = 5,690,955.96
  5. Step 5: Solve for x
    x = 5,690,955.96/3,330.44
  6. Step 6: Final answer
    x = 1,708.77

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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.