Home / 2,977.89-4,109.43-1,651.65

Finding the Fourth Proportional to 2,977.89, 4,109.43 and 1,651.65

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Solution

The fourth proportional to 2,977.89, 4,109.43 and 1,651.65 is: 2,279.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.89 : 4,109.43 = 1,651.65 : x
  2. Step 2: Convert to fraction form
    2,977.89/4,109.43 = 1,651.65/x
  3. Step 3: Cross multiply
    2,977.89x = 4,109.43 × 1,651.65
  4. Step 4: Simplify right side
    2,977.89x = 6,787,340.06
  5. Step 5: Solve for x
    x = 6,787,340.06/2,977.89
  6. Step 6: Final answer
    x = 2,279.24

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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.