Home / 4,102.20-6,154.38-1,180.74

Finding the Fourth Proportional to 4,102.20, 6,154.38 and 1,180.74

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Solution

The fourth proportional to 4,102.20, 6,154.38 and 1,180.74 is: 1,771.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.20 : 6,154.38 = 1,180.74 : x
  2. Step 2: Convert to fraction form
    4,102.20/6,154.38 = 1,180.74/x
  3. Step 3: Cross multiply
    4,102.20x = 6,154.38 × 1,180.74
  4. Step 4: Simplify right side
    4,102.20x = 7,266,722.64
  5. Step 5: Solve for x
    x = 7,266,722.64/4,102.20
  6. Step 6: Final answer
    x = 1,771.42

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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.