Home / 3,571.04-4,927.56-1,999.16

Finding the Fourth Proportional to 3,571.04, 4,927.56 and 1,999.16

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Solution

The fourth proportional to 3,571.04, 4,927.56 and 1,999.16 is: 2,758.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.04 : 4,927.56 = 1,999.16 : x
  2. Step 2: Convert to fraction form
    3,571.04/4,927.56 = 1,999.16/x
  3. Step 3: Cross multiply
    3,571.04x = 4,927.56 × 1,999.16
  4. Step 4: Simplify right side
    3,571.04x = 9,850,980.85
  5. Step 5: Solve for x
    x = 9,850,980.85/3,571.04
  6. Step 6: Final answer
    x = 2,758.57

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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.