Home / 3,315.09-4,972.64-1,583.31

Finding the Fourth Proportional to 3,315.09, 4,972.64 and 1,583.31

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Solution

The fourth proportional to 3,315.09, 4,972.64 and 1,583.31 is: 2,374.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.09 : 4,972.64 = 1,583.31 : x
  2. Step 2: Convert to fraction form
    3,315.09/4,972.64 = 1,583.31/x
  3. Step 3: Cross multiply
    3,315.09x = 4,972.64 × 1,583.31
  4. Step 4: Simplify right side
    3,315.09x = 7,873,230.64
  5. Step 5: Solve for x
    x = 7,873,230.64/3,315.09
  6. Step 6: Final answer
    x = 2,374.97

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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.