Home / 4,198.87-6,298.31-1,887.67

Finding the Fourth Proportional to 4,198.87, 6,298.31 and 1,887.67

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Solution

The fourth proportional to 4,198.87, 6,298.31 and 1,887.67 is: 2,831.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,198.87 : 6,298.31 = 1,887.67 : x
  2. Step 2: Convert to fraction form
    4,198.87/6,298.31 = 1,887.67/x
  3. Step 3: Cross multiply
    4,198.87x = 6,298.31 × 1,887.67
  4. Step 4: Simplify right side
    4,198.87x = 11,889,130.84
  5. Step 5: Solve for x
    x = 11,889,130.84/4,198.87
  6. Step 6: Final answer
    x = 2,831.51

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Similar ratio
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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.