Home / 2,755.90-4,125.21-2,058.58

Finding the Fourth Proportional to 2,755.90, 4,125.21 and 2,058.58

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Solution

The fourth proportional to 2,755.90, 4,125.21 and 2,058.58 is: 3,081.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,755.90 : 4,125.21 = 2,058.58 : x
  2. Step 2: Convert to fraction form
    2,755.90/4,125.21 = 2,058.58/x
  3. Step 3: Cross multiply
    2,755.90x = 4,125.21 × 2,058.58
  4. Step 4: Simplify right side
    2,755.90x = 8,492,074.80
  5. Step 5: Solve for x
    x = 8,492,074.80/2,755.90
  6. Step 6: Final answer
    x = 3,081.42

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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.