Home / 2,826.61-3,900.63-1,707.14

Finding the Fourth Proportional to 2,826.61, 3,900.63 and 1,707.14

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Solution

The fourth proportional to 2,826.61, 3,900.63 and 1,707.14 is: 2,355.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826.61 : 3,900.63 = 1,707.14 : x
  2. Step 2: Convert to fraction form
    2,826.61/3,900.63 = 1,707.14/x
  3. Step 3: Cross multiply
    2,826.61x = 3,900.63 × 1,707.14
  4. Step 4: Simplify right side
    2,826.61x = 6,658,937.65
  5. Step 5: Solve for x
    x = 6,658,937.65/2,826.61
  6. Step 6: Final answer
    x = 2,355.81

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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.