Home / 2,906.12-4,360.40-1,261.84

Finding the Fourth Proportional to 2,906.12, 4,360.40 and 1,261.84

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Solution

The fourth proportional to 2,906.12, 4,360.40 and 1,261.84 is: 1,893.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,906.12 : 4,360.40 = 1,261.84 : x
  2. Step 2: Convert to fraction form
    2,906.12/4,360.40 = 1,261.84/x
  3. Step 3: Cross multiply
    2,906.12x = 4,360.40 × 1,261.84
  4. Step 4: Simplify right side
    2,906.12x = 5,502,127.14
  5. Step 5: Solve for x
    x = 5,502,127.14/2,906.12
  6. Step 6: Final answer
    x = 1,893.29

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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.