Home / 2,730.60-3,771.09-1,893.42

Finding the Fourth Proportional to 2,730.60, 3,771.09 and 1,893.42

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Solution

The fourth proportional to 2,730.60, 3,771.09 and 1,893.42 is: 2,614.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.60 : 3,771.09 = 1,893.42 : x
  2. Step 2: Convert to fraction form
    2,730.60/3,771.09 = 1,893.42/x
  3. Step 3: Cross multiply
    2,730.60x = 3,771.09 × 1,893.42
  4. Step 4: Simplify right side
    2,730.60x = 7,140,257.23
  5. Step 5: Solve for x
    x = 7,140,257.23/2,730.60
  6. Step 6: Final answer
    x = 2,614.90

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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.