Home / 2,929.23-4,042.44-1,670.49

Finding the Fourth Proportional to 2,929.23, 4,042.44 and 1,670.49

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Solution

The fourth proportional to 2,929.23, 4,042.44 and 1,670.49 is: 2,305.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.23 : 4,042.44 = 1,670.49 : x
  2. Step 2: Convert to fraction form
    2,929.23/4,042.44 = 1,670.49/x
  3. Step 3: Cross multiply
    2,929.23x = 4,042.44 × 1,670.49
  4. Step 4: Simplify right side
    2,929.23x = 6,752,855.60
  5. Step 5: Solve for x
    x = 6,752,855.60/2,929.23
  6. Step 6: Final answer
    x = 2,305.33

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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.