Home / 1,799.22-2,699.40-1,110.30

Finding the Fourth Proportional to 1,799.22, 2,699.40 and 1,110.30

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Solution

The fourth proportional to 1,799.22, 2,699.40 and 1,110.30 is: 1,665.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,799.22 : 2,699.40 = 1,110.30 : x
  2. Step 2: Convert to fraction form
    1,799.22/2,699.40 = 1,110.30/x
  3. Step 3: Cross multiply
    1,799.22x = 2,699.40 × 1,110.30
  4. Step 4: Simplify right side
    1,799.22x = 2,997,143.82
  5. Step 5: Solve for x
    x = 2,997,143.82/1,799.22
  6. Step 6: Final answer
    x = 1,665.80

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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.