Home / 3,900.26-5,852.70-1,435.02

Finding the Fourth Proportional to 3,900.26, 5,852.70 and 1,435.02

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Solution

The fourth proportional to 3,900.26, 5,852.70 and 1,435.02 is: 2,153.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900.26 : 5,852.70 = 1,435.02 : x
  2. Step 2: Convert to fraction form
    3,900.26/5,852.70 = 1,435.02/x
  3. Step 3: Cross multiply
    3,900.26x = 5,852.70 × 1,435.02
  4. Step 4: Simplify right side
    3,900.26x = 8,398,741.55
  5. Step 5: Solve for x
    x = 8,398,741.55/3,900.26
  6. Step 6: Final answer
    x = 2,153.38

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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.