Home / 3,346.30-4,617.06-1,930.42

Finding the Fourth Proportional to 3,346.30, 4,617.06 and 1,930.42

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Solution

The fourth proportional to 3,346.30, 4,617.06 and 1,930.42 is: 2,663.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,346.30 : 4,617.06 = 1,930.42 : x
  2. Step 2: Convert to fraction form
    3,346.30/4,617.06 = 1,930.42/x
  3. Step 3: Cross multiply
    3,346.30x = 4,617.06 × 1,930.42
  4. Step 4: Simplify right side
    3,346.30x = 8,912,864.97
  5. Step 5: Solve for x
    x = 8,912,864.97/3,346.30
  6. Step 6: Final answer
    x = 2,663.50

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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.