Home / 2,826.47-3,900.62-1,707.18

Finding the Fourth Proportional to 2,826.47, 3,900.62 and 1,707.18

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Solution

The fourth proportional to 2,826.47, 3,900.62 and 1,707.18 is: 2,355.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826.47 : 3,900.62 = 1,707.18 : x
  2. Step 2: Convert to fraction form
    2,826.47/3,900.62 = 1,707.18/x
  3. Step 3: Cross multiply
    2,826.47x = 3,900.62 × 1,707.18
  4. Step 4: Simplify right side
    2,826.47x = 6,659,051.92
  5. Step 5: Solve for x
    x = 6,659,051.92/2,826.47
  6. Step 6: Final answer
    x = 2,355.96

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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.