Home / 2,018.17-2,785.06-1,133.97

Finding the Fourth Proportional to 2,018.17, 2,785.06 and 1,133.97

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Solution

The fourth proportional to 2,018.17, 2,785.06 and 1,133.97 is: 1,564.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018.17 : 2,785.06 = 1,133.97 : x
  2. Step 2: Convert to fraction form
    2,018.17/2,785.06 = 1,133.97/x
  3. Step 3: Cross multiply
    2,018.17x = 2,785.06 × 1,133.97
  4. Step 4: Simplify right side
    2,018.17x = 3,158,192.95
  5. Step 5: Solve for x
    x = 3,158,192.95/2,018.17
  6. Step 6: Final answer
    x = 1,564.88

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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.