Home / 2,558.44-3,838.88-1,325.62

Finding the Fourth Proportional to 2,558.44, 3,838.88 and 1,325.62

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Solution

The fourth proportional to 2,558.44, 3,838.88 and 1,325.62 is: 1,989.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558.44 : 3,838.88 = 1,325.62 : x
  2. Step 2: Convert to fraction form
    2,558.44/3,838.88 = 1,325.62/x
  3. Step 3: Cross multiply
    2,558.44x = 3,838.88 × 1,325.62
  4. Step 4: Simplify right side
    2,558.44x = 5,088,896.11
  5. Step 5: Solve for x
    x = 5,088,896.11/2,558.44
  6. Step 6: Final answer
    x = 1,989.06

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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.