Home / 1,785.38-2,676.52-1,263.74

Finding the Fourth Proportional to 1,785.38, 2,676.52 and 1,263.74

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Solution

The fourth proportional to 1,785.38, 2,676.52 and 1,263.74 is: 1,894.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785.38 : 2,676.52 = 1,263.74 : x
  2. Step 2: Convert to fraction form
    1,785.38/2,676.52 = 1,263.74/x
  3. Step 3: Cross multiply
    1,785.38x = 2,676.52 × 1,263.74
  4. Step 4: Simplify right side
    1,785.38x = 3,382,408.84
  5. Step 5: Solve for x
    x = 3,382,408.84/1,785.38
  6. Step 6: Final answer
    x = 1,894.51

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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.