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Finding the Fourth Proportional to 1,873.89, 2,797.11 and 1,738.80

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Solution

The fourth proportional to 1,873.89, 2,797.11 and 1,738.80 is: 2,595.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,873.89 : 2,797.11 = 1,738.80 : x
  2. Step 2: Convert to fraction form
    1,873.89/2,797.11 = 1,738.80/x
  3. Step 3: Cross multiply
    1,873.89x = 2,797.11 × 1,738.80
  4. Step 4: Simplify right side
    1,873.89x = 4,863,614.87
  5. Step 5: Solve for x
    x = 4,863,614.87/1,873.89
  6. Step 6: Final answer
    x = 2,595.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.