Home / 2,438.44-3,364.36-1,443.28

Finding the Fourth Proportional to 2,438.44, 3,364.36 and 1,443.28

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Solution

The fourth proportional to 2,438.44, 3,364.36 and 1,443.28 is: 1,991.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,438.44 : 3,364.36 = 1,443.28 : x
  2. Step 2: Convert to fraction form
    2,438.44/3,364.36 = 1,443.28/x
  3. Step 3: Cross multiply
    2,438.44x = 3,364.36 × 1,443.28
  4. Step 4: Simplify right side
    2,438.44x = 4,855,713.50
  5. Step 5: Solve for x
    x = 4,855,713.50/2,438.44
  6. Step 6: Final answer
    x = 1,991.32

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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.