Home / 3,430.77-5,147.88-1,352.27

Finding the Fourth Proportional to 3,430.77, 5,147.88 and 1,352.27

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Solution

The fourth proportional to 3,430.77, 5,147.88 and 1,352.27 is: 2,029.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.77 : 5,147.88 = 1,352.27 : x
  2. Step 2: Convert to fraction form
    3,430.77/5,147.88 = 1,352.27/x
  3. Step 3: Cross multiply
    3,430.77x = 5,147.88 × 1,352.27
  4. Step 4: Simplify right side
    3,430.77x = 6,961,299.64
  5. Step 5: Solve for x
    x = 6,961,299.64/3,430.77
  6. Step 6: Final answer
    x = 2,029.08

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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.