Home / 1,726.29-2,588.90-630.36

Finding the Fourth Proportional to 1,726.29, 2,588.90 and 630.36

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Solution

The fourth proportional to 1,726.29, 2,588.90 and 630.36 is: 945.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726.29 : 2,588.90 = 630.36 : x
  2. Step 2: Convert to fraction form
    1,726.29/2,588.90 = 630.36/x
  3. Step 3: Cross multiply
    1,726.29x = 2,588.90 × 630.36
  4. Step 4: Simplify right side
    1,726.29x = 1,631,935.85
  5. Step 5: Solve for x
    x = 1,631,935.85/1,726.29
  6. Step 6: Final answer
    x = 945.34

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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.