Home / 1,629.30-2,247.96-1,062.30

Finding the Fourth Proportional to 1,629.30, 2,247.96 and 1,062.30

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Solution

The fourth proportional to 1,629.30, 2,247.96 and 1,062.30 is: 1,465.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.30 : 2,247.96 = 1,062.30 : x
  2. Step 2: Convert to fraction form
    1,629.30/2,247.96 = 1,062.30/x
  3. Step 3: Cross multiply
    1,629.30x = 2,247.96 × 1,062.30
  4. Step 4: Simplify right side
    1,629.30x = 2,388,007.91
  5. Step 5: Solve for x
    x = 2,388,007.91/1,629.30
  6. Step 6: Final answer
    x = 1,465.66

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1.5x scale

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.