Home / 3,455.54-4,730.49-3,430.83

Finding the Fourth Proportional to 3,455.54, 4,730.49 and 3,430.83

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Solution

The fourth proportional to 3,455.54, 4,730.49 and 3,430.83 is: 4,696.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.54 : 4,730.49 = 3,430.83 : x
  2. Step 2: Convert to fraction form
    3,455.54/4,730.49 = 3,430.83/x
  3. Step 3: Cross multiply
    3,455.54x = 4,730.49 × 3,430.83
  4. Step 4: Simplify right side
    3,455.54x = 16,229,489.85
  5. Step 5: Solve for x
    x = 16,229,489.85/3,455.54
  6. Step 6: Final answer
    x = 4,696.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.