Home / 3,085.15-4,627.78-1,005.14

Finding the Fourth Proportional to 3,085.15, 4,627.78 and 1,005.14

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Solution

The fourth proportional to 3,085.15, 4,627.78 and 1,005.14 is: 1,507.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085.15 : 4,627.78 = 1,005.14 : x
  2. Step 2: Convert to fraction form
    3,085.15/4,627.78 = 1,005.14/x
  3. Step 3: Cross multiply
    3,085.15x = 4,627.78 × 1,005.14
  4. Step 4: Simplify right side
    3,085.15x = 4,651,584.52
  5. Step 5: Solve for x
    x = 4,651,584.52/3,085.15
  6. Step 6: Final answer
    x = 1,507.73

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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.