Home / 3,153.41-4,728.49-1,693.79

Finding the Fourth Proportional to 3,153.41, 4,728.49 and 1,693.79

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Solution

The fourth proportional to 3,153.41, 4,728.49 and 1,693.79 is: 2,539.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.41 : 4,728.49 = 1,693.79 : x
  2. Step 2: Convert to fraction form
    3,153.41/4,728.49 = 1,693.79/x
  3. Step 3: Cross multiply
    3,153.41x = 4,728.49 × 1,693.79
  4. Step 4: Simplify right side
    3,153.41x = 8,009,075.43
  5. Step 5: Solve for x
    x = 8,009,075.43/3,153.41
  6. Step 6: Final answer
    x = 2,539.81

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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.