Home / 2,022.16-2,790.36-1,137.77

Finding the Fourth Proportional to 2,022.16, 2,790.36 and 1,137.77

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Solution

The fourth proportional to 2,022.16, 2,790.36 and 1,137.77 is: 1,570.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,022.16 : 2,790.36 = 1,137.77 : x
  2. Step 2: Convert to fraction form
    2,022.16/2,790.36 = 1,137.77/x
  3. Step 3: Cross multiply
    2,022.16x = 2,790.36 × 1,137.77
  4. Step 4: Simplify right side
    2,022.16x = 3,174,794.87
  5. Step 5: Solve for x
    x = 3,174,794.87/2,022.16
  6. Step 6: Final answer
    x = 1,570.00

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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.