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Finding the Fourth Proportional to 2,799.84, 4,199.77 and 852.03

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Solution

The fourth proportional to 2,799.84, 4,199.77 and 852.03 is: 1,278.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.84 : 4,199.77 = 852.03 : x
  2. Step 2: Convert to fraction form
    2,799.84/4,199.77 = 852.03/x
  3. Step 3: Cross multiply
    2,799.84x = 4,199.77 × 852.03
  4. Step 4: Simplify right side
    2,799.84x = 3,578,330.03
  5. Step 5: Solve for x
    x = 3,578,330.03/2,799.84
  6. Step 6: Final answer
    x = 1,278.05

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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.