Home / 1,757.12-2,636.15-1,726.20

Finding the Fourth Proportional to 1,757.12, 2,636.15 and 1,726.20

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Solution

The fourth proportional to 1,757.12, 2,636.15 and 1,726.20 is: 2,589.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,757.12 : 2,636.15 = 1,726.20 : x
  2. Step 2: Convert to fraction form
    1,757.12/2,636.15 = 1,726.20/x
  3. Step 3: Cross multiply
    1,757.12x = 2,636.15 × 1,726.20
  4. Step 4: Simplify right side
    1,757.12x = 4,550,513.50
  5. Step 5: Solve for x
    x = 4,550,513.50/1,757.12
  6. Step 6: Final answer
    x = 2,589.76

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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.