Home / 1,370.27-2,055.30-504.50

Finding the Fourth Proportional to 1,370.27, 2,055.30 and 504.50

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Solution

The fourth proportional to 1,370.27, 2,055.30 and 504.50 is: 756.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370.27 : 2,055.30 = 504.50 : x
  2. Step 2: Convert to fraction form
    1,370.27/2,055.30 = 504.50/x
  3. Step 3: Cross multiply
    1,370.27x = 2,055.30 × 504.50
  4. Step 4: Simplify right side
    1,370.27x = 1,036,898.85
  5. Step 5: Solve for x
    x = 1,036,898.85/1,370.27
  6. Step 6: Final answer
    x = 756.71

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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.