Home / 3,378.94-5,068.84-1,271.25

Finding the Fourth Proportional to 3,378.94, 5,068.84 and 1,271.25

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Solution

The fourth proportional to 3,378.94, 5,068.84 and 1,271.25 is: 1,907.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.94 : 5,068.84 = 1,271.25 : x
  2. Step 2: Convert to fraction form
    3,378.94/5,068.84 = 1,271.25/x
  3. Step 3: Cross multiply
    3,378.94x = 5,068.84 × 1,271.25
  4. Step 4: Simplify right side
    3,378.94x = 6,443,762.85
  5. Step 5: Solve for x
    x = 6,443,762.85/3,378.94
  6. Step 6: Final answer
    x = 1,907.04

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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.