Home / 2,268.64-3,130.68-1,274.03

Finding the Fourth Proportional to 2,268.64, 3,130.68 and 1,274.03

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Solution

The fourth proportional to 2,268.64, 3,130.68 and 1,274.03 is: 1,758.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268.64 : 3,130.68 = 1,274.03 : x
  2. Step 2: Convert to fraction form
    2,268.64/3,130.68 = 1,274.03/x
  3. Step 3: Cross multiply
    2,268.64x = 3,130.68 × 1,274.03
  4. Step 4: Simplify right side
    2,268.64x = 3,988,581.10
  5. Step 5: Solve for x
    x = 3,988,581.10/2,268.64
  6. Step 6: Final answer
    x = 1,758.14

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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.