Home / 3,623.06-4,999.74-2,130.65

Finding the Fourth Proportional to 3,623.06, 4,999.74 and 2,130.65

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Solution

The fourth proportional to 3,623.06, 4,999.74 and 2,130.65 is: 2,940.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.06 : 4,999.74 = 2,130.65 : x
  2. Step 2: Convert to fraction form
    3,623.06/4,999.74 = 2,130.65/x
  3. Step 3: Cross multiply
    3,623.06x = 4,999.74 × 2,130.65
  4. Step 4: Simplify right side
    3,623.06x = 10,652,696.03
  5. Step 5: Solve for x
    x = 10,652,696.03/3,623.06
  6. Step 6: Final answer
    x = 2,940.25

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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.