Home / 1,786.76-2,475.70-1,746.44

Finding the Fourth Proportional to 1,786.76, 2,475.70 and 1,746.44

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Solution

The fourth proportional to 1,786.76, 2,475.70 and 1,746.44 is: 2,419.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786.76 : 2,475.70 = 1,746.44 : x
  2. Step 2: Convert to fraction form
    1,786.76/2,475.70 = 1,746.44/x
  3. Step 3: Cross multiply
    1,786.76x = 2,475.70 × 1,746.44
  4. Step 4: Simplify right side
    1,786.76x = 4,323,661.51
  5. Step 5: Solve for x
    x = 4,323,661.51/1,786.76
  6. Step 6: Final answer
    x = 2,419.83

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.