Home / 3,042.64-4,196.91-1,994.77

Finding the Fourth Proportional to 3,042.64, 4,196.91 and 1,994.77

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Solution

The fourth proportional to 3,042.64, 4,196.91 and 1,994.77 is: 2,751.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042.64 : 4,196.91 = 1,994.77 : x
  2. Step 2: Convert to fraction form
    3,042.64/4,196.91 = 1,994.77/x
  3. Step 3: Cross multiply
    3,042.64x = 4,196.91 × 1,994.77
  4. Step 4: Simplify right side
    3,042.64x = 8,371,870.16
  5. Step 5: Solve for x
    x = 8,371,870.16/3,042.64
  6. Step 6: Final answer
    x = 2,751.52

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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.