Home / 2,018.08-2,785.05-1,133.95

Finding the Fourth Proportional to 2,018.08, 2,785.05 and 1,133.95

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Solution

The fourth proportional to 2,018.08, 2,785.05 and 1,133.95 is: 1,564.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018.08 : 2,785.05 = 1,133.95 : x
  2. Step 2: Convert to fraction form
    2,018.08/2,785.05 = 1,133.95/x
  3. Step 3: Cross multiply
    2,018.08x = 2,785.05 × 1,133.95
  4. Step 4: Simplify right side
    2,018.08x = 3,158,107.45
  5. Step 5: Solve for x
    x = 3,158,107.45/2,018.08
  6. Step 6: Final answer
    x = 1,564.91

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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.