Home / 3,511.05-5,266.80-1,045.67

Finding the Fourth Proportional to 3,511.05, 5,266.80 and 1,045.67

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Solution

The fourth proportional to 3,511.05, 5,266.80 and 1,045.67 is: 1,568.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.05 : 5,266.80 = 1,045.67 : x
  2. Step 2: Convert to fraction form
    3,511.05/5,266.80 = 1,045.67/x
  3. Step 3: Cross multiply
    3,511.05x = 5,266.80 × 1,045.67
  4. Step 4: Simplify right side
    3,511.05x = 5,507,308.42
  5. Step 5: Solve for x
    x = 5,507,308.42/3,511.05
  6. Step 6: Final answer
    x = 1,568.56

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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.