Home / 2,785.70-4,177.64-1,304.46

Finding the Fourth Proportional to 2,785.70, 4,177.64 and 1,304.46

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Solution

The fourth proportional to 2,785.70, 4,177.64 and 1,304.46 is: 1,956.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785.70 : 4,177.64 = 1,304.46 : x
  2. Step 2: Convert to fraction form
    2,785.70/4,177.64 = 1,304.46/x
  3. Step 3: Cross multiply
    2,785.70x = 4,177.64 × 1,304.46
  4. Step 4: Simplify right side
    2,785.70x = 5,449,573.17
  5. Step 5: Solve for x
    x = 5,449,573.17/2,785.70
  6. Step 6: Final answer
    x = 1,956.27

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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.