Home / 2,385.99-3,571.38-1,835.55

Finding the Fourth Proportional to 2,385.99, 3,571.38 and 1,835.55

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Solution

The fourth proportional to 2,385.99, 3,571.38 and 1,835.55 is: 2,747.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,385.99 : 3,571.38 = 1,835.55 : x
  2. Step 2: Convert to fraction form
    2,385.99/3,571.38 = 1,835.55/x
  3. Step 3: Cross multiply
    2,385.99x = 3,571.38 × 1,835.55
  4. Step 4: Simplify right side
    2,385.99x = 6,555,446.56
  5. Step 5: Solve for x
    x = 6,555,446.56/2,385.99
  6. Step 6: Final answer
    x = 2,747.47

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1.5x scale

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.