Home / 2,018.10-2,785.01-1,133.85

Finding the Fourth Proportional to 2,018.10, 2,785.01 and 1,133.85

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Solution

The fourth proportional to 2,018.10, 2,785.01 and 1,133.85 is: 1,564.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018.10 : 2,785.01 = 1,133.85 : x
  2. Step 2: Convert to fraction form
    2,018.10/2,785.01 = 1,133.85/x
  3. Step 3: Cross multiply
    2,018.10x = 2,785.01 × 1,133.85
  4. Step 4: Simplify right side
    2,018.10x = 3,157,777.92
  5. Step 5: Solve for x
    x = 3,157,777.92/2,018.10
  6. Step 6: Final answer
    x = 1,564.73

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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.