Home / 2,727.80-3,764.58-1,549.16

Finding the Fourth Proportional to 2,727.80, 3,764.58 and 1,549.16

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Solution

The fourth proportional to 2,727.80, 3,764.58 and 1,549.16 is: 2,137.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727.80 : 3,764.58 = 1,549.16 : x
  2. Step 2: Convert to fraction form
    2,727.80/3,764.58 = 1,549.16/x
  3. Step 3: Cross multiply
    2,727.80x = 3,764.58 × 1,549.16
  4. Step 4: Simplify right side
    2,727.80x = 5,831,936.75
  5. Step 5: Solve for x
    x = 5,831,936.75/2,727.80
  6. Step 6: Final answer
    x = 2,137.96

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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.