Home / 3,018.12-4,166.46-1,899.60

Finding the Fourth Proportional to 3,018.12, 4,166.46 and 1,899.60

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Solution

The fourth proportional to 3,018.12, 4,166.46 and 1,899.60 is: 2,622.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.12 : 4,166.46 = 1,899.60 : x
  2. Step 2: Convert to fraction form
    3,018.12/4,166.46 = 1,899.60/x
  3. Step 3: Cross multiply
    3,018.12x = 4,166.46 × 1,899.60
  4. Step 4: Simplify right side
    3,018.12x = 7,914,607.42
  5. Step 5: Solve for x
    x = 7,914,607.42/3,018.12
  6. Step 6: Final answer
    x = 2,622.36

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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.