Home / 3,126.36-4,712.96-2,914.96

Finding the Fourth Proportional to 3,126.36, 4,712.96 and 2,914.96

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Solution

The fourth proportional to 3,126.36, 4,712.96 and 2,914.96 is: 4,394.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.36 : 4,712.96 = 2,914.96 : x
  2. Step 2: Convert to fraction form
    3,126.36/4,712.96 = 2,914.96/x
  3. Step 3: Cross multiply
    3,126.36x = 4,712.96 × 2,914.96
  4. Step 4: Simplify right side
    3,126.36x = 13,738,089.88
  5. Step 5: Solve for x
    x = 13,738,089.88/3,126.36
  6. Step 6: Final answer
    x = 4,394.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.