Home / 3,927.54-5,417.31-2,433.90

Finding the Fourth Proportional to 3,927.54, 5,417.31 and 2,433.90

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Solution

The fourth proportional to 3,927.54, 5,417.31 and 2,433.90 is: 3,357.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.54 : 5,417.31 = 2,433.90 : x
  2. Step 2: Convert to fraction form
    3,927.54/5,417.31 = 2,433.90/x
  3. Step 3: Cross multiply
    3,927.54x = 5,417.31 × 2,433.90
  4. Step 4: Simplify right side
    3,927.54x = 13,185,190.81
  5. Step 5: Solve for x
    x = 13,185,190.81/3,927.54
  6. Step 6: Final answer
    x = 3,357.11

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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.