Home / 3,903.93-5,384.61-2,486.43

Finding the Fourth Proportional to 3,903.93, 5,384.61 and 2,486.43

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Solution

The fourth proportional to 3,903.93, 5,384.61 and 2,486.43 is: 3,429.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.93 : 5,384.61 = 2,486.43 : x
  2. Step 2: Convert to fraction form
    3,903.93/5,384.61 = 2,486.43/x
  3. Step 3: Cross multiply
    3,903.93x = 5,384.61 × 2,486.43
  4. Step 4: Simplify right side
    3,903.93x = 13,388,455.84
  5. Step 5: Solve for x
    x = 13,388,455.84/3,903.93
  6. Step 6: Final answer
    x = 3,429.48

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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.