Home / 2,785.34-4,174.44-1,139.94

Finding the Fourth Proportional to 2,785.34, 4,174.44 and 1,139.94

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Solution

The fourth proportional to 2,785.34, 4,174.44 and 1,139.94 is: 1,708.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785.34 : 4,174.44 = 1,139.94 : x
  2. Step 2: Convert to fraction form
    2,785.34/4,174.44 = 1,139.94/x
  3. Step 3: Cross multiply
    2,785.34x = 4,174.44 × 1,139.94
  4. Step 4: Simplify right side
    2,785.34x = 4,758,611.13
  5. Step 5: Solve for x
    x = 4,758,611.13/2,785.34
  6. Step 6: Final answer
    x = 1,708.45

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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.