Home / 3,085.15-4,615.43-2,679.07

Finding the Fourth Proportional to 3,085.15, 4,615.43 and 2,679.07

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Solution

The fourth proportional to 3,085.15, 4,615.43 and 2,679.07 is: 4,007.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085.15 : 4,615.43 = 2,679.07 : x
  2. Step 2: Convert to fraction form
    3,085.15/4,615.43 = 2,679.07/x
  3. Step 3: Cross multiply
    3,085.15x = 4,615.43 × 2,679.07
  4. Step 4: Simplify right side
    3,085.15x = 12,365,060.05
  5. Step 5: Solve for x
    x = 12,365,060.05/3,085.15
  6. Step 6: Final answer
    x = 4,007.93

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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.