Home / 4,122.63-6,180.37-1,900.67

Finding the Fourth Proportional to 4,122.63, 6,180.37 and 1,900.67

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Solution

The fourth proportional to 4,122.63, 6,180.37 and 1,900.67 is: 2,849.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.63 : 6,180.37 = 1,900.67 : x
  2. Step 2: Convert to fraction form
    4,122.63/6,180.37 = 1,900.67/x
  3. Step 3: Cross multiply
    4,122.63x = 6,180.37 × 1,900.67
  4. Step 4: Simplify right side
    4,122.63x = 11,746,808.19
  5. Step 5: Solve for x
    x = 11,746,808.19/4,122.63
  6. Step 6: Final answer
    x = 2,849.35

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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.