Home / 3,050.54-4,209.76-1,930.31

Finding the Fourth Proportional to 3,050.54, 4,209.76 and 1,930.31

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Solution

The fourth proportional to 3,050.54, 4,209.76 and 1,930.31 is: 2,663.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,050.54 : 4,209.76 = 1,930.31 : x
  2. Step 2: Convert to fraction form
    3,050.54/4,209.76 = 1,930.31/x
  3. Step 3: Cross multiply
    3,050.54x = 4,209.76 × 1,930.31
  4. Step 4: Simplify right side
    3,050.54x = 8,126,128.12
  5. Step 5: Solve for x
    x = 8,126,128.12/3,050.54
  6. Step 6: Final answer
    x = 2,663.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.