Home / 1,726.36-2,589.60-556.36

Finding the Fourth Proportional to 1,726.36, 2,589.60 and 556.36

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Solution

The fourth proportional to 1,726.36, 2,589.60 and 556.36 is: 834.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726.36 : 2,589.60 = 556.36 : x
  2. Step 2: Convert to fraction form
    1,726.36/2,589.60 = 556.36/x
  3. Step 3: Cross multiply
    1,726.36x = 2,589.60 × 556.36
  4. Step 4: Simplify right side
    1,726.36x = 1,440,749.86
  5. Step 5: Solve for x
    x = 1,440,749.86/1,726.36
  6. Step 6: Final answer
    x = 834.56

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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.