Home / 3,443.40-5,164.74-3,240.36

Finding the Fourth Proportional to 3,443.40, 5,164.74 and 3,240.36

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Solution

The fourth proportional to 3,443.40, 5,164.74 and 3,240.36 is: 4,860.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,443.40 : 5,164.74 = 3,240.36 : x
  2. Step 2: Convert to fraction form
    3,443.40/5,164.74 = 3,240.36/x
  3. Step 3: Cross multiply
    3,443.40x = 5,164.74 × 3,240.36
  4. Step 4: Simplify right side
    3,443.40x = 16,735,616.91
  5. Step 5: Solve for x
    x = 16,735,616.91/3,443.40
  6. Step 6: Final answer
    x = 4,860.20

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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.