Home / 2,126.10-3,190.03-955.29

Finding the Fourth Proportional to 2,126.10, 3,190.03 and 955.29

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Solution

The fourth proportional to 2,126.10, 3,190.03 and 955.29 is: 1,433.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126.10 : 3,190.03 = 955.29 : x
  2. Step 2: Convert to fraction form
    2,126.10/3,190.03 = 955.29/x
  3. Step 3: Cross multiply
    2,126.10x = 3,190.03 × 955.29
  4. Step 4: Simplify right side
    2,126.10x = 3,047,403.76
  5. Step 5: Solve for x
    x = 3,047,403.76/2,126.10
  6. Step 6: Final answer
    x = 1,433.33

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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.