Home / 2,268.25-3,130.52-1,384.56

Finding the Fourth Proportional to 2,268.25, 3,130.52 and 1,384.56

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Solution

The fourth proportional to 2,268.25, 3,130.52 and 1,384.56 is: 1,910.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268.25 : 3,130.52 = 1,384.56 : x
  2. Step 2: Convert to fraction form
    2,268.25/3,130.52 = 1,384.56/x
  3. Step 3: Cross multiply
    2,268.25x = 3,130.52 × 1,384.56
  4. Step 4: Simplify right side
    2,268.25x = 4,334,393.64
  5. Step 5: Solve for x
    x = 4,334,393.64/2,268.25
  6. Step 6: Final answer
    x = 1,910.90

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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.