Home / 3,085.07-4,627.59-2,621.75

Finding the Fourth Proportional to 3,085.07, 4,627.59 and 2,621.75

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Solution

The fourth proportional to 3,085.07, 4,627.59 and 2,621.75 is: 3,932.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085.07 : 4,627.59 = 2,621.75 : x
  2. Step 2: Convert to fraction form
    3,085.07/4,627.59 = 2,621.75/x
  3. Step 3: Cross multiply
    3,085.07x = 4,627.59 × 2,621.75
  4. Step 4: Simplify right side
    3,085.07x = 12,132,360.94
  5. Step 5: Solve for x
    x = 12,132,360.94/3,085.07
  6. Step 6: Final answer
    x = 3,932.61

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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.