Home / 2,929.66-4,042.48-1,670.77

Finding the Fourth Proportional to 2,929.66, 4,042.48 and 1,670.77

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Solution

The fourth proportional to 2,929.66, 4,042.48 and 1,670.77 is: 2,305.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.66 : 4,042.48 = 1,670.77 : x
  2. Step 2: Convert to fraction form
    2,929.66/4,042.48 = 1,670.77/x
  3. Step 3: Cross multiply
    2,929.66x = 4,042.48 × 1,670.77
  4. Step 4: Simplify right side
    2,929.66x = 6,754,054.31
  5. Step 5: Solve for x
    x = 6,754,054.31/2,929.66
  6. Step 6: Final answer
    x = 2,305.41

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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.