Home / 3,312.70-4,972.69-2,799.07

Finding the Fourth Proportional to 3,312.70, 4,972.69 and 2,799.07

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Solution

The fourth proportional to 3,312.70, 4,972.69 and 2,799.07 is: 4,201.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.70 : 4,972.69 = 2,799.07 : x
  2. Step 2: Convert to fraction form
    3,312.70/4,972.69 = 2,799.07/x
  3. Step 3: Cross multiply
    3,312.70x = 4,972.69 × 2,799.07
  4. Step 4: Simplify right side
    3,312.70x = 13,918,907.40
  5. Step 5: Solve for x
    x = 13,918,907.40/3,312.70
  6. Step 6: Final answer
    x = 4,201.68

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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.