Home / 3,571.16-4,928.20-1,999.26

Finding the Fourth Proportional to 3,571.16, 4,928.20 and 1,999.26

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Solution

The fourth proportional to 3,571.16, 4,928.20 and 1,999.26 is: 2,758.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.16 : 4,928.20 = 1,999.26 : x
  2. Step 2: Convert to fraction form
    3,571.16/4,928.20 = 1,999.26/x
  3. Step 3: Cross multiply
    3,571.16x = 4,928.20 × 1,999.26
  4. Step 4: Simplify right side
    3,571.16x = 9,852,753.13
  5. Step 5: Solve for x
    x = 9,852,753.13/3,571.16
  6. Step 6: Final answer
    x = 2,758.98

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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.