Home / 2,826.70-3,901.86-1,707.64

Finding the Fourth Proportional to 2,826.70, 3,901.86 and 1,707.64

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Solution

The fourth proportional to 2,826.70, 3,901.86 and 1,707.64 is: 2,357.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826.70 : 3,901.86 = 1,707.64 : x
  2. Step 2: Convert to fraction form
    2,826.70/3,901.86 = 1,707.64/x
  3. Step 3: Cross multiply
    2,826.70x = 3,901.86 × 1,707.64
  4. Step 4: Simplify right side
    2,826.70x = 6,662,972.21
  5. Step 5: Solve for x
    x = 6,662,972.21/2,826.70
  6. Step 6: Final answer
    x = 2,357.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.