Home / 3,019.72-4,530.56-1,459.90

Finding the Fourth Proportional to 3,019.72, 4,530.56 and 1,459.90

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Solution

The fourth proportional to 3,019.72, 4,530.56 and 1,459.90 is: 2,190.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.72 : 4,530.56 = 1,459.90 : x
  2. Step 2: Convert to fraction form
    3,019.72/4,530.56 = 1,459.90/x
  3. Step 3: Cross multiply
    3,019.72x = 4,530.56 × 1,459.90
  4. Step 4: Simplify right side
    3,019.72x = 6,614,164.54
  5. Step 5: Solve for x
    x = 6,614,164.54/3,019.72
  6. Step 6: Final answer
    x = 2,190.32

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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.