Home / 1,726.24-2,587.70-629.86

Finding the Fourth Proportional to 1,726.24, 2,587.70 and 629.86

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Solution

The fourth proportional to 1,726.24, 2,587.70 and 629.86 is: 944.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726.24 : 2,587.70 = 629.86 : x
  2. Step 2: Convert to fraction form
    1,726.24/2,587.70 = 629.86/x
  3. Step 3: Cross multiply
    1,726.24x = 2,587.70 × 629.86
  4. Step 4: Simplify right side
    1,726.24x = 1,629,888.72
  5. Step 5: Solve for x
    x = 1,629,888.72/1,726.24
  6. Step 6: Final answer
    x = 944.18

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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.