Home / 2,018.92-2,786.30-1,134.80

Finding the Fourth Proportional to 2,018.92, 2,786.30 and 1,134.80

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Solution

The fourth proportional to 2,018.92, 2,786.30 and 1,134.80 is: 1,566.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018.92 : 2,786.30 = 1,134.80 : x
  2. Step 2: Convert to fraction form
    2,018.92/2,786.30 = 1,134.80/x
  3. Step 3: Cross multiply
    2,018.92x = 2,786.30 × 1,134.80
  4. Step 4: Simplify right side
    2,018.92x = 3,161,893.24
  5. Step 5: Solve for x
    x = 3,161,893.24/2,018.92
  6. Step 6: Final answer
    x = 1,566.13

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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.