Home / 3,505.09-5,256.19-1,555.92

Finding the Fourth Proportional to 3,505.09, 5,256.19 and 1,555.92

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Solution

The fourth proportional to 3,505.09, 5,256.19 and 1,555.92 is: 2,333.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.09 : 5,256.19 = 1,555.92 : x
  2. Step 2: Convert to fraction form
    3,505.09/5,256.19 = 1,555.92/x
  3. Step 3: Cross multiply
    3,505.09x = 5,256.19 × 1,555.92
  4. Step 4: Simplify right side
    3,505.09x = 8,178,211.14
  5. Step 5: Solve for x
    x = 8,178,211.14/3,505.09
  6. Step 6: Final answer
    x = 2,333.24

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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.