Home / 2,894.12-3,994.10-1,635.32

Finding the Fourth Proportional to 2,894.12, 3,994.10 and 1,635.32

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Solution

The fourth proportional to 2,894.12, 3,994.10 and 1,635.32 is: 2,256.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,894.12 : 3,994.10 = 1,635.32 : x
  2. Step 2: Convert to fraction form
    2,894.12/3,994.10 = 1,635.32/x
  3. Step 3: Cross multiply
    2,894.12x = 3,994.10 × 1,635.32
  4. Step 4: Simplify right side
    2,894.12x = 6,531,631.61
  5. Step 5: Solve for x
    x = 6,531,631.61/2,894.12
  6. Step 6: Final answer
    x = 2,256.86

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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.