Home / 3,019.88-4,531.14-1,631.60

Finding the Fourth Proportional to 3,019.88, 4,531.14 and 1,631.60

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Solution

The fourth proportional to 3,019.88, 4,531.14 and 1,631.60 is: 2,448.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.88 : 4,531.14 = 1,631.60 : x
  2. Step 2: Convert to fraction form
    3,019.88/4,531.14 = 1,631.60/x
  3. Step 3: Cross multiply
    3,019.88x = 4,531.14 × 1,631.60
  4. Step 4: Simplify right side
    3,019.88x = 7,393,008.02
  5. Step 5: Solve for x
    x = 7,393,008.02/3,019.88
  6. Step 6: Final answer
    x = 2,448.11

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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.