Home / 1,726.30-2,382.09-1,490.62

Finding the Fourth Proportional to 1,726.30, 2,382.09 and 1,490.62

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Solution

The fourth proportional to 1,726.30, 2,382.09 and 1,490.62 is: 2,056.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726.30 : 2,382.09 = 1,490.62 : x
  2. Step 2: Convert to fraction form
    1,726.30/2,382.09 = 1,490.62/x
  3. Step 3: Cross multiply
    1,726.30x = 2,382.09 × 1,490.62
  4. Step 4: Simplify right side
    1,726.30x = 3,550,791.00
  5. Step 5: Solve for x
    x = 3,550,791.00/1,726.30
  6. Step 6: Final answer
    x = 2,056.88

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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.