Home / 3,148.67-4,345.09-1,822.34

Finding the Fourth Proportional to 3,148.67, 4,345.09 and 1,822.34

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Solution

The fourth proportional to 3,148.67, 4,345.09 and 1,822.34 is: 2,514.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.67 : 4,345.09 = 1,822.34 : x
  2. Step 2: Convert to fraction form
    3,148.67/4,345.09 = 1,822.34/x
  3. Step 3: Cross multiply
    3,148.67x = 4,345.09 × 1,822.34
  4. Step 4: Simplify right side
    3,148.67x = 7,918,237.62
  5. Step 5: Solve for x
    x = 7,918,237.62/3,148.67
  6. Step 6: Final answer
    x = 2,514.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.