Home / 2,205.23-3,043.25-1,210.59

Finding the Fourth Proportional to 2,205.23, 3,043.25 and 1,210.59

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Solution

The fourth proportional to 2,205.23, 3,043.25 and 1,210.59 is: 1,670.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205.23 : 3,043.25 = 1,210.59 : x
  2. Step 2: Convert to fraction form
    2,205.23/3,043.25 = 1,210.59/x
  3. Step 3: Cross multiply
    2,205.23x = 3,043.25 × 1,210.59
  4. Step 4: Simplify right side
    2,205.23x = 3,684,133.38
  5. Step 5: Solve for x
    x = 3,684,133.38/2,205.23
  6. Step 6: Final answer
    x = 1,670.64

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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.