Home / 2,005.33-3,005.26-1,225.61

Finding the Fourth Proportional to 2,005.33, 3,005.26 and 1,225.61

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Solution

The fourth proportional to 2,005.33, 3,005.26 and 1,225.61 is: 1,836.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005.33 : 3,005.26 = 1,225.61 : x
  2. Step 2: Convert to fraction form
    2,005.33/3,005.26 = 1,225.61/x
  3. Step 3: Cross multiply
    2,005.33x = 3,005.26 × 1,225.61
  4. Step 4: Simplify right side
    2,005.33x = 3,683,261.68
  5. Step 5: Solve for x
    x = 3,683,261.68/2,005.33
  6. Step 6: Final answer
    x = 1,836.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.