Home / 3,360.73-5,039.46-1,020.31

Finding the Fourth Proportional to 3,360.73, 5,039.46 and 1,020.31

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Solution

The fourth proportional to 3,360.73, 5,039.46 and 1,020.31 is: 1,529.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.73 : 5,039.46 = 1,020.31 : x
  2. Step 2: Convert to fraction form
    3,360.73/5,039.46 = 1,020.31/x
  3. Step 3: Cross multiply
    3,360.73x = 5,039.46 × 1,020.31
  4. Step 4: Simplify right side
    3,360.73x = 5,141,781.13
  5. Step 5: Solve for x
    x = 5,141,781.13/3,360.73
  6. Step 6: Final answer
    x = 1,529.96

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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.