Home / 2,596.77-3,895.98-1,115.28

Finding the Fourth Proportional to 2,596.77, 3,895.98 and 1,115.28

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Solution

The fourth proportional to 2,596.77, 3,895.98 and 1,115.28 is: 1,673.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,596.77 : 3,895.98 = 1,115.28 : x
  2. Step 2: Convert to fraction form
    2,596.77/3,895.98 = 1,115.28/x
  3. Step 3: Cross multiply
    2,596.77x = 3,895.98 × 1,115.28
  4. Step 4: Simplify right side
    2,596.77x = 4,345,108.57
  5. Step 5: Solve for x
    x = 4,345,108.57/2,596.77
  6. Step 6: Final answer
    x = 1,673.27

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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.