Home / 3,023.89-4,172.73-1,764.80

Finding the Fourth Proportional to 3,023.89, 4,172.73 and 1,764.80

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Solution

The fourth proportional to 3,023.89, 4,172.73 and 1,764.80 is: 2,435.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,023.89 : 4,172.73 = 1,764.80 : x
  2. Step 2: Convert to fraction form
    3,023.89/4,172.73 = 1,764.80/x
  3. Step 3: Cross multiply
    3,023.89x = 4,172.73 × 1,764.80
  4. Step 4: Simplify right side
    3,023.89x = 7,364,033.90
  5. Step 5: Solve for x
    x = 7,364,033.90/3,023.89
  6. Step 6: Final answer
    x = 2,435.28

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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.