Home / 2,914.09-4,021.85-1,654.88

Finding the Fourth Proportional to 2,914.09, 4,021.85 and 1,654.88

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Solution

The fourth proportional to 2,914.09, 4,021.85 and 1,654.88 is: 2,283.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.09 : 4,021.85 = 1,654.88 : x
  2. Step 2: Convert to fraction form
    2,914.09/4,021.85 = 1,654.88/x
  3. Step 3: Cross multiply
    2,914.09x = 4,021.85 × 1,654.88
  4. Step 4: Simplify right side
    2,914.09x = 6,655,663.16
  5. Step 5: Solve for x
    x = 6,655,663.16/2,914.09
  6. Step 6: Final answer
    x = 2,283.96

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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.