Home / 1,304.00-1,786.51-1,254.79

Finding the Fourth Proportional to 1,304.00, 1,786.51 and 1,254.79

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Solution

The fourth proportional to 1,304.00, 1,786.51 and 1,254.79 is: 1,719.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304.00 : 1,786.51 = 1,254.79 : x
  2. Step 2: Convert to fraction form
    1,304.00/1,786.51 = 1,254.79/x
  3. Step 3: Cross multiply
    1,304.00x = 1,786.51 × 1,254.79
  4. Step 4: Simplify right side
    1,304.00x = 2,241,691.63
  5. Step 5: Solve for x
    x = 2,241,691.63/1,304.00
  6. Step 6: Final answer
    x = 1,719.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.