Home / 3,083.19-4,254.67-1,890.16

Finding the Fourth Proportional to 3,083.19, 4,254.67 and 1,890.16

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Solution

The fourth proportional to 3,083.19, 4,254.67 and 1,890.16 is: 2,608.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,083.19 : 4,254.67 = 1,890.16 : x
  2. Step 2: Convert to fraction form
    3,083.19/4,254.67 = 1,890.16/x
  3. Step 3: Cross multiply
    3,083.19x = 4,254.67 × 1,890.16
  4. Step 4: Simplify right side
    3,083.19x = 8,041,997.60
  5. Step 5: Solve for x
    x = 8,041,997.60/3,083.19
  6. Step 6: Final answer
    x = 2,608.34

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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.