Home / 2,201.58-3,315.59-1,857.06

Finding the Fourth Proportional to 2,201.58, 3,315.59 and 1,857.06

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Solution

The fourth proportional to 2,201.58, 3,315.59 and 1,857.06 is: 2,796.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.58 : 3,315.59 = 1,857.06 : x
  2. Step 2: Convert to fraction form
    2,201.58/3,315.59 = 1,857.06/x
  3. Step 3: Cross multiply
    2,201.58x = 3,315.59 × 1,857.06
  4. Step 4: Simplify right side
    2,201.58x = 6,157,240.28
  5. Step 5: Solve for x
    x = 6,157,240.28/2,201.58
  6. Step 6: Final answer
    x = 2,796.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.