Home / 3,483.11-4,801.23-2,640.44

Finding the Fourth Proportional to 3,483.11, 4,801.23 and 2,640.44

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Solution

The fourth proportional to 3,483.11, 4,801.23 and 2,640.44 is: 3,639.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,483.11 : 4,801.23 = 2,640.44 : x
  2. Step 2: Convert to fraction form
    3,483.11/4,801.23 = 2,640.44/x
  3. Step 3: Cross multiply
    3,483.11x = 4,801.23 × 2,640.44
  4. Step 4: Simplify right side
    3,483.11x = 12,677,371.74
  5. Step 5: Solve for x
    x = 12,677,371.74/3,483.11
  6. Step 6: Final answer
    x = 3,639.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.