Home / 2,799.78-4,199.70-1,068

Finding the Fourth Proportional to 2,799.78, 4,199.70 and 1,068

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Solution

The fourth proportional to 2,799.78, 4,199.70 and 1,068 is: 1,602.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.78 : 4,199.70 = 1,068 : x
  2. Step 2: Convert to fraction form
    2,799.78/4,199.70 = 1,068/x
  3. Step 3: Cross multiply
    2,799.78x = 4,199.70 × 1,068
  4. Step 4: Simplify right side
    2,799.78x = 4,485,279.60
  5. Step 5: Solve for x
    x = 4,485,279.60/2,799.78
  6. Step 6: Final answer
    x = 1,602.01

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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.