Home / 3,201.49-4,798.06-1,640.17

Finding the Fourth Proportional to 3,201.49, 4,798.06 and 1,640.17

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Solution

The fourth proportional to 3,201.49, 4,798.06 and 1,640.17 is: 2,458.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.49 : 4,798.06 = 1,640.17 : x
  2. Step 2: Convert to fraction form
    3,201.49/4,798.06 = 1,640.17/x
  3. Step 3: Cross multiply
    3,201.49x = 4,798.06 × 1,640.17
  4. Step 4: Simplify right side
    3,201.49x = 7,869,634.07
  5. Step 5: Solve for x
    x = 7,869,634.07/3,201.49
  6. Step 6: Final answer
    x = 2,458.12

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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.