Home / 2,739.84-4,109.32-1,352.80

Finding the Fourth Proportional to 2,739.84, 4,109.32 and 1,352.80

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Solution

The fourth proportional to 2,739.84, 4,109.32 and 1,352.80 is: 2,028.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739.84 : 4,109.32 = 1,352.80 : x
  2. Step 2: Convert to fraction form
    2,739.84/4,109.32 = 1,352.80/x
  3. Step 3: Cross multiply
    2,739.84x = 4,109.32 × 1,352.80
  4. Step 4: Simplify right side
    2,739.84x = 5,559,088.10
  5. Step 5: Solve for x
    x = 5,559,088.10/2,739.84
  6. Step 6: Final answer
    x = 2,028.98

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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.