Home / 3,345.32-4,616.78-2,018.95

Finding the Fourth Proportional to 3,345.32, 4,616.78 and 2,018.95

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Solution

The fourth proportional to 3,345.32, 4,616.78 and 2,018.95 is: 2,786.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.32 : 4,616.78 = 2,018.95 : x
  2. Step 2: Convert to fraction form
    3,345.32/4,616.78 = 2,018.95/x
  3. Step 3: Cross multiply
    3,345.32x = 4,616.78 × 2,018.95
  4. Step 4: Simplify right side
    3,345.32x = 9,321,047.98
  5. Step 5: Solve for x
    x = 9,321,047.98/3,345.32
  6. Step 6: Final answer
    x = 2,786.29

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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.