Home / 3,918.48-5,876.40-2,455.92

Finding the Fourth Proportional to 3,918.48, 5,876.40 and 2,455.92

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Solution

The fourth proportional to 3,918.48, 5,876.40 and 2,455.92 is: 3,683.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918.48 : 5,876.40 = 2,455.92 : x
  2. Step 2: Convert to fraction form
    3,918.48/5,876.40 = 2,455.92/x
  3. Step 3: Cross multiply
    3,918.48x = 5,876.40 × 2,455.92
  4. Step 4: Simplify right side
    3,918.48x = 14,431,968.29
  5. Step 5: Solve for x
    x = 14,431,968.29/3,918.48
  6. Step 6: Final answer
    x = 3,683.05

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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.