Home / 2,090.52-3,134.19-1,268.58

Finding the Fourth Proportional to 2,090.52, 3,134.19 and 1,268.58

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Solution

The fourth proportional to 2,090.52, 3,134.19 and 1,268.58 is: 1,901.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090.52 : 3,134.19 = 1,268.58 : x
  2. Step 2: Convert to fraction form
    2,090.52/3,134.19 = 1,268.58/x
  3. Step 3: Cross multiply
    2,090.52x = 3,134.19 × 1,268.58
  4. Step 4: Simplify right side
    2,090.52x = 3,975,970.75
  5. Step 5: Solve for x
    x = 3,975,970.75/2,090.52
  6. Step 6: Final answer
    x = 1,901.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.