Home / 3,018.75-4,164.46-2,135.04

Finding the Fourth Proportional to 3,018.75, 4,164.46 and 2,135.04

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Solution

The fourth proportional to 3,018.75, 4,164.46 and 2,135.04 is: 2,945.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.75 : 4,164.46 = 2,135.04 : x
  2. Step 2: Convert to fraction form
    3,018.75/4,164.46 = 2,135.04/x
  3. Step 3: Cross multiply
    3,018.75x = 4,164.46 × 2,135.04
  4. Step 4: Simplify right side
    3,018.75x = 8,891,283.34
  5. Step 5: Solve for x
    x = 8,891,283.34/3,018.75
  6. Step 6: Final answer
    x = 2,945.35

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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.