Home / 1,519.18-2,276.57-825.26

Finding the Fourth Proportional to 1,519.18, 2,276.57 and 825.26

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Solution

The fourth proportional to 1,519.18, 2,276.57 and 825.26 is: 1,236.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519.18 : 2,276.57 = 825.26 : x
  2. Step 2: Convert to fraction form
    1,519.18/2,276.57 = 825.26/x
  3. Step 3: Cross multiply
    1,519.18x = 2,276.57 × 825.26
  4. Step 4: Simplify right side
    1,519.18x = 1,878,762.16
  5. Step 5: Solve for x
    x = 1,878,762.16/1,519.18
  6. Step 6: Final answer
    x = 1,236.69

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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.