Home / 2,905.47-4,010.31-1,726.31

Finding the Fourth Proportional to 2,905.47, 4,010.31 and 1,726.31

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Solution

The fourth proportional to 2,905.47, 4,010.31 and 1,726.31 is: 2,382.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.47 : 4,010.31 = 1,726.31 : x
  2. Step 2: Convert to fraction form
    2,905.47/4,010.31 = 1,726.31/x
  3. Step 3: Cross multiply
    2,905.47x = 4,010.31 × 1,726.31
  4. Step 4: Simplify right side
    2,905.47x = 6,923,048.28
  5. Step 5: Solve for x
    x = 6,923,048.28/2,905.47
  6. Step 6: Final answer
    x = 2,382.76

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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.