Home / 1,519.46-2,279.70-1,356.15

Finding the Fourth Proportional to 1,519.46, 2,279.70 and 1,356.15

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Solution

The fourth proportional to 1,519.46, 2,279.70 and 1,356.15 is: 2,034.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519.46 : 2,279.70 = 1,356.15 : x
  2. Step 2: Convert to fraction form
    1,519.46/2,279.70 = 1,356.15/x
  3. Step 3: Cross multiply
    1,519.46x = 2,279.70 × 1,356.15
  4. Step 4: Simplify right side
    1,519.46x = 3,091,615.16
  5. Step 5: Solve for x
    x = 3,091,615.16/1,519.46
  6. Step 6: Final answer
    x = 2,034.68

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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.