Home / 4,135.98-5,709.15-2,739.18

Finding the Fourth Proportional to 4,135.98, 5,709.15 and 2,739.18

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Solution

The fourth proportional to 4,135.98, 5,709.15 and 2,739.18 is: 3,781.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,135.98 : 5,709.15 = 2,739.18 : x
  2. Step 2: Convert to fraction form
    4,135.98/5,709.15 = 2,739.18/x
  3. Step 3: Cross multiply
    4,135.98x = 5,709.15 × 2,739.18
  4. Step 4: Simplify right side
    4,135.98x = 15,638,389.50
  5. Step 5: Solve for x
    x = 15,638,389.50/4,135.98
  6. Step 6: Final answer
    x = 3,781.06

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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.