Home / 2,850.16-4,269.26-1,809.63

Finding the Fourth Proportional to 2,850.16, 4,269.26 and 1,809.63

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Solution

The fourth proportional to 2,850.16, 4,269.26 and 1,809.63 is: 2,710.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.16 : 4,269.26 = 1,809.63 : x
  2. Step 2: Convert to fraction form
    2,850.16/4,269.26 = 1,809.63/x
  3. Step 3: Cross multiply
    2,850.16x = 4,269.26 × 1,809.63
  4. Step 4: Simplify right side
    2,850.16x = 7,725,771.93
  5. Step 5: Solve for x
    x = 7,725,771.93/2,850.16
  6. Step 6: Final answer
    x = 2,710.64

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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.