Home / 2,712.96-3,742.61-1,768.77

Finding the Fourth Proportional to 2,712.96, 3,742.61 and 1,768.77

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Solution

The fourth proportional to 2,712.96, 3,742.61 and 1,768.77 is: 2,440.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.96 : 3,742.61 = 1,768.77 : x
  2. Step 2: Convert to fraction form
    2,712.96/3,742.61 = 1,768.77/x
  3. Step 3: Cross multiply
    2,712.96x = 3,742.61 × 1,768.77
  4. Step 4: Simplify right side
    2,712.96x = 6,619,807.45
  5. Step 5: Solve for x
    x = 6,619,807.45/2,712.96
  6. Step 6: Final answer
    x = 2,440.07

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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.