Home / 3,898.23-5,843.40-1,678.51

Finding the Fourth Proportional to 3,898.23, 5,843.40 and 1,678.51

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Solution

The fourth proportional to 3,898.23, 5,843.40 and 1,678.51 is: 2,516.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,898.23 : 5,843.40 = 1,678.51 : x
  2. Step 2: Convert to fraction form
    3,898.23/5,843.40 = 1,678.51/x
  3. Step 3: Cross multiply
    3,898.23x = 5,843.40 × 1,678.51
  4. Step 4: Simplify right side
    3,898.23x = 9,808,192.82
  5. Step 5: Solve for x
    x = 9,808,192.82/3,898.23
  6. Step 6: Final answer
    x = 2,516.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.