Home / 2,550.81-3,827.30-1,395.21

Finding the Fourth Proportional to 2,550.81, 3,827.30 and 1,395.21

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Solution

The fourth proportional to 2,550.81, 3,827.30 and 1,395.21 is: 2,093.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,550.81 : 3,827.30 = 1,395.21 : x
  2. Step 2: Convert to fraction form
    2,550.81/3,827.30 = 1,395.21/x
  3. Step 3: Cross multiply
    2,550.81x = 3,827.30 × 1,395.21
  4. Step 4: Simplify right side
    2,550.81x = 5,339,880.26
  5. Step 5: Solve for x
    x = 5,339,880.26/2,550.81
  6. Step 6: Final answer
    x = 2,093.41

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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.