Home / 3,180.40-4,772.34-1,232.68

Finding the Fourth Proportional to 3,180.40, 4,772.34 and 1,232.68

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Solution

The fourth proportional to 3,180.40, 4,772.34 and 1,232.68 is: 1,849.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.40 : 4,772.34 = 1,232.68 : x
  2. Step 2: Convert to fraction form
    3,180.40/4,772.34 = 1,232.68/x
  3. Step 3: Cross multiply
    3,180.40x = 4,772.34 × 1,232.68
  4. Step 4: Simplify right side
    3,180.40x = 5,882,768.07
  5. Step 5: Solve for x
    x = 5,882,768.07/3,180.40
  6. Step 6: Final answer
    x = 1,849.69

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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.