Home / 3,430.96-4,731.90-2,103.73

Finding the Fourth Proportional to 3,430.96, 4,731.90 and 2,103.73

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Solution

The fourth proportional to 3,430.96, 4,731.90 and 2,103.73 is: 2,901.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.96 : 4,731.90 = 2,103.73 : x
  2. Step 2: Convert to fraction form
    3,430.96/4,731.90 = 2,103.73/x
  3. Step 3: Cross multiply
    3,430.96x = 4,731.90 × 2,103.73
  4. Step 4: Simplify right side
    3,430.96x = 9,954,616.33
  5. Step 5: Solve for x
    x = 9,954,616.33/3,430.96
  6. Step 6: Final answer
    x = 2,901.41

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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.