Home / 1,629.02-2,246.19-1,297.46

Finding the Fourth Proportional to 1,629.02, 2,246.19 and 1,297.46

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Solution

The fourth proportional to 1,629.02, 2,246.19 and 1,297.46 is: 1,789.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.02 : 2,246.19 = 1,297.46 : x
  2. Step 2: Convert to fraction form
    1,629.02/2,246.19 = 1,297.46/x
  3. Step 3: Cross multiply
    1,629.02x = 2,246.19 × 1,297.46
  4. Step 4: Simplify right side
    1,629.02x = 2,914,341.68
  5. Step 5: Solve for x
    x = 2,914,341.68/1,629.02
  6. Step 6: Final answer
    x = 1,789.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.