Home / 1,370.29-2,055.63-504.54

Finding the Fourth Proportional to 1,370.29, 2,055.63 and 504.54

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Solution

The fourth proportional to 1,370.29, 2,055.63 and 504.54 is: 756.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370.29 : 2,055.63 = 504.54 : x
  2. Step 2: Convert to fraction form
    1,370.29/2,055.63 = 504.54/x
  3. Step 3: Cross multiply
    1,370.29x = 2,055.63 × 504.54
  4. Step 4: Simplify right side
    1,370.29x = 1,037,147.56
  5. Step 5: Solve for x
    x = 1,037,147.56/1,370.29
  6. Step 6: Final answer
    x = 756.88

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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.