Home / 3,606.03-5,405.40-2,215.53

Finding the Fourth Proportional to 3,606.03, 5,405.40 and 2,215.53

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Solution

The fourth proportional to 3,606.03, 5,405.40 and 2,215.53 is: 3,321.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,606.03 : 5,405.40 = 2,215.53 : x
  2. Step 2: Convert to fraction form
    3,606.03/5,405.40 = 2,215.53/x
  3. Step 3: Cross multiply
    3,606.03x = 5,405.40 × 2,215.53
  4. Step 4: Simplify right side
    3,606.03x = 11,975,825.86
  5. Step 5: Solve for x
    x = 11,975,825.86/3,606.03
  6. Step 6: Final answer
    x = 3,321.06

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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.