Home / 2,905.13-4,009.44-1,843.40

Finding the Fourth Proportional to 2,905.13, 4,009.44 and 1,843.40

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Solution

The fourth proportional to 2,905.13, 4,009.44 and 1,843.40 is: 2,544.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.13 : 4,009.44 = 1,843.40 : x
  2. Step 2: Convert to fraction form
    2,905.13/4,009.44 = 1,843.40/x
  3. Step 3: Cross multiply
    2,905.13x = 4,009.44 × 1,843.40
  4. Step 4: Simplify right side
    2,905.13x = 7,391,001.70
  5. Step 5: Solve for x
    x = 7,391,001.70/2,905.13
  6. Step 6: Final answer
    x = 2,544.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.