Home / 1,629.93-2,247.68-1,040.25

Finding the Fourth Proportional to 1,629.93, 2,247.68 and 1,040.25

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Solution

The fourth proportional to 1,629.93, 2,247.68 and 1,040.25 is: 1,434.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.93 : 2,247.68 = 1,040.25 : x
  2. Step 2: Convert to fraction form
    1,629.93/2,247.68 = 1,040.25/x
  3. Step 3: Cross multiply
    1,629.93x = 2,247.68 × 1,040.25
  4. Step 4: Simplify right side
    1,629.93x = 2,338,143.92
  5. Step 5: Solve for x
    x = 2,338,143.92/1,629.93
  6. Step 6: Final answer
    x = 1,434.51

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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.