Home / 2,018.89-2,785.13-1,179.63

Finding the Fourth Proportional to 2,018.89, 2,785.13 and 1,179.63

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Solution

The fourth proportional to 2,018.89, 2,785.13 and 1,179.63 is: 1,627.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018.89 : 2,785.13 = 1,179.63 : x
  2. Step 2: Convert to fraction form
    2,018.89/2,785.13 = 1,179.63/x
  3. Step 3: Cross multiply
    2,018.89x = 2,785.13 × 1,179.63
  4. Step 4: Simplify right side
    2,018.89x = 3,285,428.06
  5. Step 5: Solve for x
    x = 3,285,428.06/2,018.89
  6. Step 6: Final answer
    x = 1,627.34

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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.