Home / 1,790.22-2,468.64-1,201.56

Finding the Fourth Proportional to 1,790.22, 2,468.64 and 1,201.56

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Solution

The fourth proportional to 1,790.22, 2,468.64 and 1,201.56 is: 1,656.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790.22 : 2,468.64 = 1,201.56 : x
  2. Step 2: Convert to fraction form
    1,790.22/2,468.64 = 1,201.56/x
  3. Step 3: Cross multiply
    1,790.22x = 2,468.64 × 1,201.56
  4. Step 4: Simplify right side
    1,790.22x = 2,966,219.08
  5. Step 5: Solve for x
    x = 2,966,219.08/1,790.22
  6. Step 6: Final answer
    x = 1,656.90

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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.