Home / 1,954.96-2,697.78-1,168.60

Finding the Fourth Proportional to 1,954.96, 2,697.78 and 1,168.60

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Solution

The fourth proportional to 1,954.96, 2,697.78 and 1,168.60 is: 1,612.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954.96 : 2,697.78 = 1,168.60 : x
  2. Step 2: Convert to fraction form
    1,954.96/2,697.78 = 1,168.60/x
  3. Step 3: Cross multiply
    1,954.96x = 2,697.78 × 1,168.60
  4. Step 4: Simplify right side
    1,954.96x = 3,152,625.71
  5. Step 5: Solve for x
    x = 3,152,625.71/1,954.96
  6. Step 6: Final answer
    x = 1,612.63

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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.