Home / 2,976.65-4,104.41-1,898.49

Finding the Fourth Proportional to 2,976.65, 4,104.41 and 1,898.49

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Solution

The fourth proportional to 2,976.65, 4,104.41 and 1,898.49 is: 2,617.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.65 : 4,104.41 = 1,898.49 : x
  2. Step 2: Convert to fraction form
    2,976.65/4,104.41 = 1,898.49/x
  3. Step 3: Cross multiply
    2,976.65x = 4,104.41 × 1,898.49
  4. Step 4: Simplify right side
    2,976.65x = 7,792,167.51
  5. Step 5: Solve for x
    x = 7,792,167.51/2,976.65
  6. Step 6: Final answer
    x = 2,617.76

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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.