Home / 1,799.21-2,698.62-1,337.68

Finding the Fourth Proportional to 1,799.21, 2,698.62 and 1,337.68

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Solution

The fourth proportional to 1,799.21, 2,698.62 and 1,337.68 is: 2,006.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,799.21 : 2,698.62 = 1,337.68 : x
  2. Step 2: Convert to fraction form
    1,799.21/2,698.62 = 1,337.68/x
  3. Step 3: Cross multiply
    1,799.21x = 2,698.62 × 1,337.68
  4. Step 4: Simplify right side
    1,799.21x = 3,609,888.36
  5. Step 5: Solve for x
    x = 3,609,888.36/1,799.21
  6. Step 6: Final answer
    x = 2,006.37

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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.