Home / 2,928.67-4,042.96-1,810.27

Finding the Fourth Proportional to 2,928.67, 4,042.96 and 1,810.27

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Solution

The fourth proportional to 2,928.67, 4,042.96 and 1,810.27 is: 2,499.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928.67 : 4,042.96 = 1,810.27 : x
  2. Step 2: Convert to fraction form
    2,928.67/4,042.96 = 1,810.27/x
  3. Step 3: Cross multiply
    2,928.67x = 4,042.96 × 1,810.27
  4. Step 4: Simplify right side
    2,928.67x = 7,318,837.17
  5. Step 5: Solve for x
    x = 7,318,837.17/2,928.67
  6. Step 6: Final answer
    x = 2,499.03

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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.