Home / 2,782.34-4,171.68-1,137.23

Finding the Fourth Proportional to 2,782.34, 4,171.68 and 1,137.23

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Solution

The fourth proportional to 2,782.34, 4,171.68 and 1,137.23 is: 1,705.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782.34 : 4,171.68 = 1,137.23 : x
  2. Step 2: Convert to fraction form
    2,782.34/4,171.68 = 1,137.23/x
  3. Step 3: Cross multiply
    2,782.34x = 4,171.68 × 1,137.23
  4. Step 4: Simplify right side
    2,782.34x = 4,744,138.79
  5. Step 5: Solve for x
    x = 4,744,138.79/2,782.34
  6. Step 6: Final answer
    x = 1,705.09

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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.