Home / 1,726.17-2,585.79-1,310.43

Finding the Fourth Proportional to 1,726.17, 2,585.79 and 1,310.43

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Solution

The fourth proportional to 1,726.17, 2,585.79 and 1,310.43 is: 1,963.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726.17 : 2,585.79 = 1,310.43 : x
  2. Step 2: Convert to fraction form
    1,726.17/2,585.79 = 1,310.43/x
  3. Step 3: Cross multiply
    1,726.17x = 2,585.79 × 1,310.43
  4. Step 4: Simplify right side
    1,726.17x = 3,388,496.79
  5. Step 5: Solve for x
    x = 3,388,496.79/1,726.17
  6. Step 6: Final answer
    x = 1,963.01

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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.