Home / 1,519.35-2,103.62-1,490.55

Finding the Fourth Proportional to 1,519.35, 2,103.62 and 1,490.55

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Solution

The fourth proportional to 1,519.35, 2,103.62 and 1,490.55 is: 2,063.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519.35 : 2,103.62 = 1,490.55 : x
  2. Step 2: Convert to fraction form
    1,519.35/2,103.62 = 1,490.55/x
  3. Step 3: Cross multiply
    1,519.35x = 2,103.62 × 1,490.55
  4. Step 4: Simplify right side
    1,519.35x = 3,135,543.34
  5. Step 5: Solve for x
    x = 3,135,543.34/1,519.35
  6. Step 6: Final answer
    x = 2,063.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.