Home / 3,104.40-4,659.90-1,256.79

Finding the Fourth Proportional to 3,104.40, 4,659.90 and 1,256.79

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Solution

The fourth proportional to 3,104.40, 4,659.90 and 1,256.79 is: 1,886.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.40 : 4,659.90 = 1,256.79 : x
  2. Step 2: Convert to fraction form
    3,104.40/4,659.90 = 1,256.79/x
  3. Step 3: Cross multiply
    3,104.40x = 4,659.90 × 1,256.79
  4. Step 4: Simplify right side
    3,104.40x = 5,856,515.72
  5. Step 5: Solve for x
    x = 5,856,515.72/3,104.40
  6. Step 6: Final answer
    x = 1,886.52

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1.5x scale

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.