Home / 1,519.70-2,279.55-1,410.35

Finding the Fourth Proportional to 1,519.70, 2,279.55 and 1,410.35

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Solution

The fourth proportional to 1,519.70, 2,279.55 and 1,410.35 is: 2,115.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519.70 : 2,279.55 = 1,410.35 : x
  2. Step 2: Convert to fraction form
    1,519.70/2,279.55 = 1,410.35/x
  3. Step 3: Cross multiply
    1,519.70x = 2,279.55 × 1,410.35
  4. Step 4: Simplify right side
    1,519.70x = 3,214,963.34
  5. Step 5: Solve for x
    x = 3,214,963.34/1,519.70
  6. Step 6: Final answer
    x = 2,115.53

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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.