Home / 2,018.45-2,785.45-1,134.26

Finding the Fourth Proportional to 2,018.45, 2,785.45 and 1,134.26

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Solution

The fourth proportional to 2,018.45, 2,785.45 and 1,134.26 is: 1,565.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018.45 : 2,785.45 = 1,134.26 : x
  2. Step 2: Convert to fraction form
    2,018.45/2,785.45 = 1,134.26/x
  3. Step 3: Cross multiply
    2,018.45x = 2,785.45 × 1,134.26
  4. Step 4: Simplify right side
    2,018.45x = 3,159,415.68
  5. Step 5: Solve for x
    x = 3,159,415.68/2,018.45
  6. Step 6: Final answer
    x = 1,565.27

Related Problems

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Half scale
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Double scale
Find fourth proportional to 2,019.45, 2,786.83 and 1,135.26
Similar ratio
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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.