Home / 3,925.48-5,415.31-2,508.43

Finding the Fourth Proportional to 3,925.48, 5,415.31 and 2,508.43

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Solution

The fourth proportional to 3,925.48, 5,415.31 and 2,508.43 is: 3,460.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925.48 : 5,415.31 = 2,508.43 : x
  2. Step 2: Convert to fraction form
    3,925.48/5,415.31 = 2,508.43/x
  3. Step 3: Cross multiply
    3,925.48x = 5,415.31 × 2,508.43
  4. Step 4: Simplify right side
    3,925.48x = 13,583,926.06
  5. Step 5: Solve for x
    x = 13,583,926.06/3,925.48
  6. Step 6: Final answer
    x = 3,460.45

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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.