Home / 3,430.77-5,149.05-1,352.22

Finding the Fourth Proportional to 3,430.77, 5,149.05 and 1,352.22

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Solution

The fourth proportional to 3,430.77, 5,149.05 and 1,352.22 is: 2,029.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.77 : 5,149.05 = 1,352.22 : x
  2. Step 2: Convert to fraction form
    3,430.77/5,149.05 = 1,352.22/x
  3. Step 3: Cross multiply
    3,430.77x = 5,149.05 × 1,352.22
  4. Step 4: Simplify right side
    3,430.77x = 6,962,648.39
  5. Step 5: Solve for x
    x = 6,962,648.39/3,430.77
  6. Step 6: Final answer
    x = 2,029.47

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1.5x scale

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.