Home / 1,518.38-2,276.74-1,024.78

Finding the Fourth Proportional to 1,518.38, 2,276.74 and 1,024.78

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Solution

The fourth proportional to 1,518.38, 2,276.74 and 1,024.78 is: 1,536.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518.38 : 2,276.74 = 1,024.78 : x
  2. Step 2: Convert to fraction form
    1,518.38/2,276.74 = 1,024.78/x
  3. Step 3: Cross multiply
    1,518.38x = 2,276.74 × 1,024.78
  4. Step 4: Simplify right side
    1,518.38x = 2,333,157.62
  5. Step 5: Solve for x
    x = 2,333,157.62/1,518.38
  6. Step 6: Final answer
    x = 1,536.61

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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.