Home / 1,980.44-2,949.74-1,876.35

Finding the Fourth Proportional to 1,980.44, 2,949.74 and 1,876.35

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Solution

The fourth proportional to 1,980.44, 2,949.74 and 1,876.35 is: 2,794.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980.44 : 2,949.74 = 1,876.35 : x
  2. Step 2: Convert to fraction form
    1,980.44/2,949.74 = 1,876.35/x
  3. Step 3: Cross multiply
    1,980.44x = 2,949.74 × 1,876.35
  4. Step 4: Simplify right side
    1,980.44x = 5,534,744.65
  5. Step 5: Solve for x
    x = 5,534,744.65/1,980.44
  6. Step 6: Final answer
    x = 2,794.70

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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.