Home / 1,304.46-1,788.08-1,286.94

Finding the Fourth Proportional to 1,304.46, 1,788.08 and 1,286.94

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Solution

The fourth proportional to 1,304.46, 1,788.08 and 1,286.94 is: 1,764.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304.46 : 1,788.08 = 1,286.94 : x
  2. Step 2: Convert to fraction form
    1,304.46/1,788.08 = 1,286.94/x
  3. Step 3: Cross multiply
    1,304.46x = 1,788.08 × 1,286.94
  4. Step 4: Simplify right side
    1,304.46x = 2,301,145.24
  5. Step 5: Solve for x
    x = 2,301,145.24/1,304.46
  6. Step 6: Final answer
    x = 1,764.06

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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.