Home / 1,643.64-2,268.26-935.52

Finding the Fourth Proportional to 1,643.64, 2,268.26 and 935.52

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Solution

The fourth proportional to 1,643.64, 2,268.26 and 935.52 is: 1,291.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643.64 : 2,268.26 = 935.52 : x
  2. Step 2: Convert to fraction form
    1,643.64/2,268.26 = 935.52/x
  3. Step 3: Cross multiply
    1,643.64x = 2,268.26 × 935.52
  4. Step 4: Simplify right side
    1,643.64x = 2,122,002.60
  5. Step 5: Solve for x
    x = 2,122,002.60/1,643.64
  6. Step 6: Final answer
    x = 1,291.04

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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.