Home / 2,905.34-4,009.37-1,646.62

Finding the Fourth Proportional to 2,905.34, 4,009.37 and 1,646.62

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Solution

The fourth proportional to 2,905.34, 4,009.37 and 1,646.62 is: 2,272.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.34 : 4,009.37 = 1,646.62 : x
  2. Step 2: Convert to fraction form
    2,905.34/4,009.37 = 1,646.62/x
  3. Step 3: Cross multiply
    2,905.34x = 4,009.37 × 1,646.62
  4. Step 4: Simplify right side
    2,905.34x = 6,601,908.83
  5. Step 5: Solve for x
    x = 6,601,908.83/2,905.34
  6. Step 6: Final answer
    x = 2,272.34

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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.