Home / 2,938.30-4,405.49-1,514.47

Finding the Fourth Proportional to 2,938.30, 4,405.49 and 1,514.47

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Solution

The fourth proportional to 2,938.30, 4,405.49 and 1,514.47 is: 2,270.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.30 : 4,405.49 = 1,514.47 : x
  2. Step 2: Convert to fraction form
    2,938.30/4,405.49 = 1,514.47/x
  3. Step 3: Cross multiply
    2,938.30x = 4,405.49 × 1,514.47
  4. Step 4: Simplify right side
    2,938.30x = 6,671,982.44
  5. Step 5: Solve for x
    x = 6,671,982.44/2,938.30
  6. Step 6: Final answer
    x = 2,270.69

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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.