Home / 2,849.31-3,932.16-1,590.48

Finding the Fourth Proportional to 2,849.31, 3,932.16 and 1,590.48

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Solution

The fourth proportional to 2,849.31, 3,932.16 and 1,590.48 is: 2,194.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.31 : 3,932.16 = 1,590.48 : x
  2. Step 2: Convert to fraction form
    2,849.31/3,932.16 = 1,590.48/x
  3. Step 3: Cross multiply
    2,849.31x = 3,932.16 × 1,590.48
  4. Step 4: Simplify right side
    2,849.31x = 6,254,021.84
  5. Step 5: Solve for x
    x = 6,254,021.84/2,849.31
  6. Step 6: Final answer
    x = 2,194.93

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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.