Home / 2,205.39-3,043.44-1,210.68

Finding the Fourth Proportional to 2,205.39, 3,043.44 and 1,210.68

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Solution

The fourth proportional to 2,205.39, 3,043.44 and 1,210.68 is: 1,670.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205.39 : 3,043.44 = 1,210.68 : x
  2. Step 2: Convert to fraction form
    2,205.39/3,043.44 = 1,210.68/x
  3. Step 3: Cross multiply
    2,205.39x = 3,043.44 × 1,210.68
  4. Step 4: Simplify right side
    2,205.39x = 3,684,631.94
  5. Step 5: Solve for x
    x = 3,684,631.94/2,205.39
  6. Step 6: Final answer
    x = 1,670.74

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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.