Home / 3,150.65-4,725.98-3,081.46

Finding the Fourth Proportional to 3,150.65, 4,725.98 and 3,081.46

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Solution

The fourth proportional to 3,150.65, 4,725.98 and 3,081.46 is: 4,622.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.65 : 4,725.98 = 3,081.46 : x
  2. Step 2: Convert to fraction form
    3,150.65/4,725.98 = 3,081.46/x
  3. Step 3: Cross multiply
    3,150.65x = 4,725.98 × 3,081.46
  4. Step 4: Simplify right side
    3,150.65x = 14,562,918.33
  5. Step 5: Solve for x
    x = 14,562,918.33/3,150.65
  6. Step 6: Final answer
    x = 4,622.19

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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.