Home / 3,018.95-4,162.25-1,954.82

Finding the Fourth Proportional to 3,018.95, 4,162.25 and 1,954.82

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Solution

The fourth proportional to 3,018.95, 4,162.25 and 1,954.82 is: 2,695.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.95 : 4,162.25 = 1,954.82 : x
  2. Step 2: Convert to fraction form
    3,018.95/4,162.25 = 1,954.82/x
  3. Step 3: Cross multiply
    3,018.95x = 4,162.25 × 1,954.82
  4. Step 4: Simplify right side
    3,018.95x = 8,136,418.96
  5. Step 5: Solve for x
    x = 8,136,418.96/3,018.95
  6. Step 6: Final answer
    x = 2,695.12

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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.