Home / 3,018.09-4,165.37-1,823.14

Finding the Fourth Proportional to 3,018.09, 4,165.37 and 1,823.14

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Solution

The fourth proportional to 3,018.09, 4,165.37 and 1,823.14 is: 2,516.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.09 : 4,165.37 = 1,823.14 : x
  2. Step 2: Convert to fraction form
    3,018.09/4,165.37 = 1,823.14/x
  3. Step 3: Cross multiply
    3,018.09x = 4,165.37 × 1,823.14
  4. Step 4: Simplify right side
    3,018.09x = 7,594,052.66
  5. Step 5: Solve for x
    x = 7,594,052.66/3,018.09
  6. Step 6: Final answer
    x = 2,516.18

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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.