Home / 3,858.48-5,783.31-2,398.62

Finding the Fourth Proportional to 3,858.48, 5,783.31 and 2,398.62

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Solution

The fourth proportional to 3,858.48, 5,783.31 and 2,398.62 is: 3,595.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858.48 : 5,783.31 = 2,398.62 : x
  2. Step 2: Convert to fraction form
    3,858.48/5,783.31 = 2,398.62/x
  3. Step 3: Cross multiply
    3,858.48x = 5,783.31 × 2,398.62
  4. Step 4: Simplify right side
    3,858.48x = 13,871,963.03
  5. Step 5: Solve for x
    x = 13,871,963.03/3,858.48
  6. Step 6: Final answer
    x = 3,595.19

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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.