Home / 3,018.22-4,165.16-1,691.93

Finding the Fourth Proportional to 3,018.22, 4,165.16 and 1,691.93

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Solution

The fourth proportional to 3,018.22, 4,165.16 and 1,691.93 is: 2,334.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.22 : 4,165.16 = 1,691.93 : x
  2. Step 2: Convert to fraction form
    3,018.22/4,165.16 = 1,691.93/x
  3. Step 3: Cross multiply
    3,018.22x = 4,165.16 × 1,691.93
  4. Step 4: Simplify right side
    3,018.22x = 7,047,161.11
  5. Step 5: Solve for x
    x = 7,047,161.11/3,018.22
  6. Step 6: Final answer
    x = 2,334.88

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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.