Home / 3,423.11-4,723.34-1,930.68

Finding the Fourth Proportional to 3,423.11, 4,723.34 and 1,930.68

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Solution

The fourth proportional to 3,423.11, 4,723.34 and 1,930.68 is: 2,664.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.11 : 4,723.34 = 1,930.68 : x
  2. Step 2: Convert to fraction form
    3,423.11/4,723.34 = 1,930.68/x
  3. Step 3: Cross multiply
    3,423.11x = 4,723.34 × 1,930.68
  4. Step 4: Simplify right side
    3,423.11x = 9,119,248.42
  5. Step 5: Solve for x
    x = 9,119,248.42/3,423.11
  6. Step 6: Final answer
    x = 2,664.03

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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.