Home / 3,626.55-5,009.36-2,999.61

Finding the Fourth Proportional to 3,626.55, 5,009.36 and 2,999.61

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Solution

The fourth proportional to 3,626.55, 5,009.36 and 2,999.61 is: 4,143.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,626.55 : 5,009.36 = 2,999.61 : x
  2. Step 2: Convert to fraction form
    3,626.55/5,009.36 = 2,999.61/x
  3. Step 3: Cross multiply
    3,626.55x = 5,009.36 × 2,999.61
  4. Step 4: Simplify right side
    3,626.55x = 15,026,111.35
  5. Step 5: Solve for x
    x = 15,026,111.35/3,626.55
  6. Step 6: Final answer
    x = 4,143.36

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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.