Home / 3,511.50-5,265.57-1,045.45

Finding the Fourth Proportional to 3,511.50, 5,265.57 and 1,045.45

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Solution

The fourth proportional to 3,511.50, 5,265.57 and 1,045.45 is: 1,567.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.50 : 5,265.57 = 1,045.45 : x
  2. Step 2: Convert to fraction form
    3,511.50/5,265.57 = 1,045.45/x
  3. Step 3: Cross multiply
    3,511.50x = 5,265.57 × 1,045.45
  4. Step 4: Simplify right side
    3,511.50x = 5,504,890.16
  5. Step 5: Solve for x
    x = 5,504,890.16/3,511.50
  6. Step 6: Final answer
    x = 1,567.67

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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.