Home / 3,122.90-4,303.67-2,237.16

Finding the Fourth Proportional to 3,122.90, 4,303.67 and 2,237.16

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Solution

The fourth proportional to 3,122.90, 4,303.67 and 2,237.16 is: 3,083.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122.90 : 4,303.67 = 2,237.16 : x
  2. Step 2: Convert to fraction form
    3,122.90/4,303.67 = 2,237.16/x
  3. Step 3: Cross multiply
    3,122.90x = 4,303.67 × 2,237.16
  4. Step 4: Simplify right side
    3,122.90x = 9,628,003.97
  5. Step 5: Solve for x
    x = 9,628,003.97/3,122.90
  6. Step 6: Final answer
    x = 3,083.04

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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.