Home / 2,929.86-4,043.00-1,670.96

Finding the Fourth Proportional to 2,929.86, 4,043.00 and 1,670.96

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Solution

The fourth proportional to 2,929.86, 4,043.00 and 1,670.96 is: 2,305.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.86 : 4,043.00 = 1,670.96 : x
  2. Step 2: Convert to fraction form
    2,929.86/4,043.00 = 1,670.96/x
  3. Step 3: Cross multiply
    2,929.86x = 4,043.00 × 1,670.96
  4. Step 4: Simplify right side
    2,929.86x = 6,755,699.30
  5. Step 5: Solve for x
    x = 6,755,699.30/2,929.86
  6. Step 6: Final answer
    x = 2,305.81

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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.