Home / 2,741.87-3,783.81-1,664.83

Finding the Fourth Proportional to 2,741.87, 3,783.81 and 1,664.83

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Solution

The fourth proportional to 2,741.87, 3,783.81 and 1,664.83 is: 2,297.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,741.87 : 3,783.81 = 1,664.83 : x
  2. Step 2: Convert to fraction form
    2,741.87/3,783.81 = 1,664.83/x
  3. Step 3: Cross multiply
    2,741.87x = 3,783.81 × 1,664.83
  4. Step 4: Simplify right side
    2,741.87x = 6,299,373.16
  5. Step 5: Solve for x
    x = 6,299,373.16/2,741.87
  6. Step 6: Final answer
    x = 2,297.48

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1.5x scale

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.