Home / 3,670.21-5,505.36-1,073.20

Finding the Fourth Proportional to 3,670.21, 5,505.36 and 1,073.20

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Solution

The fourth proportional to 3,670.21, 5,505.36 and 1,073.20 is: 1,609.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.21 : 5,505.36 = 1,073.20 : x
  2. Step 2: Convert to fraction form
    3,670.21/5,505.36 = 1,073.20/x
  3. Step 3: Cross multiply
    3,670.21x = 5,505.36 × 1,073.20
  4. Step 4: Simplify right side
    3,670.21x = 5,908,352.35
  5. Step 5: Solve for x
    x = 5,908,352.35/3,670.21
  6. Step 6: Final answer
    x = 1,609.81

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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.