Home / 2,173.89-2,999.94-1,179.16

Finding the Fourth Proportional to 2,173.89, 2,999.94 and 1,179.16

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Solution

The fourth proportional to 2,173.89, 2,999.94 and 1,179.16 is: 1,627.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173.89 : 2,999.94 = 1,179.16 : x
  2. Step 2: Convert to fraction form
    2,173.89/2,999.94 = 1,179.16/x
  3. Step 3: Cross multiply
    2,173.89x = 2,999.94 × 1,179.16
  4. Step 4: Simplify right side
    2,173.89x = 3,537,409.25
  5. Step 5: Solve for x
    x = 3,537,409.25/2,173.89
  6. Step 6: Final answer
    x = 1,627.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.