Home / 3,389.70-5,087.10-1,443.26

Finding the Fourth Proportional to 3,389.70, 5,087.10 and 1,443.26

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Solution

The fourth proportional to 3,389.70, 5,087.10 and 1,443.26 is: 2,165.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.70 : 5,087.10 = 1,443.26 : x
  2. Step 2: Convert to fraction form
    3,389.70/5,087.10 = 1,443.26/x
  3. Step 3: Cross multiply
    3,389.70x = 5,087.10 × 1,443.26
  4. Step 4: Simplify right side
    3,389.70x = 7,342,007.95
  5. Step 5: Solve for x
    x = 7,342,007.95/3,389.70
  6. Step 6: Final answer
    x = 2,165.98

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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.