Home / 2,653.52-3,975.59-1,611.39

Finding the Fourth Proportional to 2,653.52, 3,975.59 and 1,611.39

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Solution

The fourth proportional to 2,653.52, 3,975.59 and 1,611.39 is: 2,414.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,653.52 : 3,975.59 = 1,611.39 : x
  2. Step 2: Convert to fraction form
    2,653.52/3,975.59 = 1,611.39/x
  3. Step 3: Cross multiply
    2,653.52x = 3,975.59 × 1,611.39
  4. Step 4: Simplify right side
    2,653.52x = 6,406,217.91
  5. Step 5: Solve for x
    x = 6,406,217.91/2,653.52
  6. Step 6: Final answer
    x = 2,414.24

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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.