Home / 3,409.86-4,705.56-1,994.52

Finding the Fourth Proportional to 3,409.86, 4,705.56 and 1,994.52

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Solution

The fourth proportional to 3,409.86, 4,705.56 and 1,994.52 is: 2,752.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409.86 : 4,705.56 = 1,994.52 : x
  2. Step 2: Convert to fraction form
    3,409.86/4,705.56 = 1,994.52/x
  3. Step 3: Cross multiply
    3,409.86x = 4,705.56 × 1,994.52
  4. Step 4: Simplify right side
    3,409.86x = 9,385,333.53
  5. Step 5: Solve for x
    x = 9,385,333.53/3,409.86
  6. Step 6: Final answer
    x = 2,752.41

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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.