Home / 3,677.78-5,511.40-2,852.19

Finding the Fourth Proportional to 3,677.78, 5,511.40 and 2,852.19

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Solution

The fourth proportional to 3,677.78, 5,511.40 and 2,852.19 is: 4,274.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677.78 : 5,511.40 = 2,852.19 : x
  2. Step 2: Convert to fraction form
    3,677.78/5,511.40 = 2,852.19/x
  3. Step 3: Cross multiply
    3,677.78x = 5,511.40 × 2,852.19
  4. Step 4: Simplify right side
    3,677.78x = 15,719,559.97
  5. Step 5: Solve for x
    x = 15,719,559.97/3,677.78
  6. Step 6: Final answer
    x = 4,274.20

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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.