Home / 2,739.84-4,106.40-1,440.48

Finding the Fourth Proportional to 2,739.84, 4,106.40 and 1,440.48

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Solution

The fourth proportional to 2,739.84, 4,106.40 and 1,440.48 is: 2,158.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739.84 : 4,106.40 = 1,440.48 : x
  2. Step 2: Convert to fraction form
    2,739.84/4,106.40 = 1,440.48/x
  3. Step 3: Cross multiply
    2,739.84x = 4,106.40 × 1,440.48
  4. Step 4: Simplify right side
    2,739.84x = 5,915,187.07
  5. Step 5: Solve for x
    x = 5,915,187.07/2,739.84
  6. Step 6: Final answer
    x = 2,158.95

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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.