Home / 2,763.57-4,135.71-2,603.67

Finding the Fourth Proportional to 2,763.57, 4,135.71 and 2,603.67

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Solution

The fourth proportional to 2,763.57, 4,135.71 and 2,603.67 is: 3,896.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763.57 : 4,135.71 = 2,603.67 : x
  2. Step 2: Convert to fraction form
    2,763.57/4,135.71 = 2,603.67/x
  3. Step 3: Cross multiply
    2,763.57x = 4,135.71 × 2,603.67
  4. Step 4: Simplify right side
    2,763.57x = 10,768,024.06
  5. Step 5: Solve for x
    x = 10,768,024.06/2,763.57
  6. Step 6: Final answer
    x = 3,896.42

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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.