Home / 2,045.21-2,820.65-1,727.73

Finding the Fourth Proportional to 2,045.21, 2,820.65 and 1,727.73

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Solution

The fourth proportional to 2,045.21, 2,820.65 and 1,727.73 is: 2,382.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,045.21 : 2,820.65 = 1,727.73 : x
  2. Step 2: Convert to fraction form
    2,045.21/2,820.65 = 1,727.73/x
  3. Step 3: Cross multiply
    2,045.21x = 2,820.65 × 1,727.73
  4. Step 4: Simplify right side
    2,045.21x = 4,873,336.70
  5. Step 5: Solve for x
    x = 4,873,336.70/2,045.21
  6. Step 6: Final answer
    x = 2,382.81

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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.