Home / 3,225.81-4,449.89-1,898.73

Finding the Fourth Proportional to 3,225.81, 4,449.89 and 1,898.73

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Solution

The fourth proportional to 3,225.81, 4,449.89 and 1,898.73 is: 2,619.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.81 : 4,449.89 = 1,898.73 : x
  2. Step 2: Convert to fraction form
    3,225.81/4,449.89 = 1,898.73/x
  3. Step 3: Cross multiply
    3,225.81x = 4,449.89 × 1,898.73
  4. Step 4: Simplify right side
    3,225.81x = 8,449,130.15
  5. Step 5: Solve for x
    x = 8,449,130.15/3,225.81
  6. Step 6: Final answer
    x = 2,619.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.