Home / 3,686.21-5,524.69-2,903.11

Finding the Fourth Proportional to 3,686.21, 5,524.69 and 2,903.11

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Solution

The fourth proportional to 3,686.21, 5,524.69 and 2,903.11 is: 4,351.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686.21 : 5,524.69 = 2,903.11 : x
  2. Step 2: Convert to fraction form
    3,686.21/5,524.69 = 2,903.11/x
  3. Step 3: Cross multiply
    3,686.21x = 5,524.69 × 2,903.11
  4. Step 4: Simplify right side
    3,686.21x = 16,038,808.54
  5. Step 5: Solve for x
    x = 16,038,808.54/3,686.21
  6. Step 6: Final answer
    x = 4,351.03

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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.