Home / 2,829.13-3,904.10-1,709.87

Finding the Fourth Proportional to 2,829.13, 3,904.10 and 1,709.87

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Solution

The fourth proportional to 2,829.13, 3,904.10 and 1,709.87 is: 2,359.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.13 : 3,904.10 = 1,709.87 : x
  2. Step 2: Convert to fraction form
    2,829.13/3,904.10 = 1,709.87/x
  3. Step 3: Cross multiply
    2,829.13x = 3,904.10 × 1,709.87
  4. Step 4: Simplify right side
    2,829.13x = 6,675,503.47
  5. Step 5: Solve for x
    x = 6,675,503.47/2,829.13
  6. Step 6: Final answer
    x = 2,359.56

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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.