Home / 3,085.84-4,255.98-2,605.60

Finding the Fourth Proportional to 3,085.84, 4,255.98 and 2,605.60

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Solution

The fourth proportional to 3,085.84, 4,255.98 and 2,605.60 is: 3,593.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085.84 : 4,255.98 = 2,605.60 : x
  2. Step 2: Convert to fraction form
    3,085.84/4,255.98 = 2,605.60/x
  3. Step 3: Cross multiply
    3,085.84x = 4,255.98 × 2,605.60
  4. Step 4: Simplify right side
    3,085.84x = 11,089,381.49
  5. Step 5: Solve for x
    x = 11,089,381.49/3,085.84
  6. Step 6: Final answer
    x = 3,593.63

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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.