Home / 1,519.66-2,278.53-1,026.57

Finding the Fourth Proportional to 1,519.66, 2,278.53 and 1,026.57

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Solution

The fourth proportional to 1,519.66, 2,278.53 and 1,026.57 is: 1,539.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519.66 : 2,278.53 = 1,026.57 : x
  2. Step 2: Convert to fraction form
    1,519.66/2,278.53 = 1,026.57/x
  3. Step 3: Cross multiply
    1,519.66x = 2,278.53 × 1,026.57
  4. Step 4: Simplify right side
    1,519.66x = 2,339,079.09
  5. Step 5: Solve for x
    x = 2,339,079.09/1,519.66
  6. Step 6: Final answer
    x = 1,539.21

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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.