Home / 2,727.79-4,083.61-1,684.44

Finding the Fourth Proportional to 2,727.79, 4,083.61 and 1,684.44

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Solution

The fourth proportional to 2,727.79, 4,083.61 and 1,684.44 is: 2,521.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727.79 : 4,083.61 = 1,684.44 : x
  2. Step 2: Convert to fraction form
    2,727.79/4,083.61 = 1,684.44/x
  3. Step 3: Cross multiply
    2,727.79x = 4,083.61 × 1,684.44
  4. Step 4: Simplify right side
    2,727.79x = 6,878,594.98
  5. Step 5: Solve for x
    x = 6,878,594.98/2,727.79
  6. Step 6: Final answer
    x = 2,521.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.