Home / 1,949.65-2,910.60-1,881.31

Finding the Fourth Proportional to 1,949.65, 2,910.60 and 1,881.31

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Solution

The fourth proportional to 1,949.65, 2,910.60 and 1,881.31 is: 2,808.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949.65 : 2,910.60 = 1,881.31 : x
  2. Step 2: Convert to fraction form
    1,949.65/2,910.60 = 1,881.31/x
  3. Step 3: Cross multiply
    1,949.65x = 2,910.60 × 1,881.31
  4. Step 4: Simplify right side
    1,949.65x = 5,475,731.48
  5. Step 5: Solve for x
    x = 5,475,731.48/1,949.65
  6. Step 6: Final answer
    x = 2,808.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.