Home / 2,205.37-3,043.44-1,210.74

Finding the Fourth Proportional to 2,205.37, 3,043.44 and 1,210.74

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Solution

The fourth proportional to 2,205.37, 3,043.44 and 1,210.74 is: 1,670.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205.37 : 3,043.44 = 1,210.74 : x
  2. Step 2: Convert to fraction form
    2,205.37/3,043.44 = 1,210.74/x
  3. Step 3: Cross multiply
    2,205.37x = 3,043.44 × 1,210.74
  4. Step 4: Simplify right side
    2,205.37x = 3,684,799.73
  5. Step 5: Solve for x
    x = 3,684,799.73/2,205.37
  6. Step 6: Final answer
    x = 1,670.83

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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.