Home / 2,697.99-4,043.94-1,378.05

Finding the Fourth Proportional to 2,697.99, 4,043.94 and 1,378.05

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Solution

The fourth proportional to 2,697.99, 4,043.94 and 1,378.05 is: 2,065.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,697.99 : 4,043.94 = 1,378.05 : x
  2. Step 2: Convert to fraction form
    2,697.99/4,043.94 = 1,378.05/x
  3. Step 3: Cross multiply
    2,697.99x = 4,043.94 × 1,378.05
  4. Step 4: Simplify right side
    2,697.99x = 5,572,751.52
  5. Step 5: Solve for x
    x = 5,572,751.52/2,697.99
  6. Step 6: Final answer
    x = 2,065.52

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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.