Home / 3,423.92-4,724.94-1,931.96

Finding the Fourth Proportional to 3,423.92, 4,724.94 and 1,931.96

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Solution

The fourth proportional to 3,423.92, 4,724.94 and 1,931.96 is: 2,666.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.92 : 4,724.94 = 1,931.96 : x
  2. Step 2: Convert to fraction form
    3,423.92/4,724.94 = 1,931.96/x
  3. Step 3: Cross multiply
    3,423.92x = 4,724.94 × 1,931.96
  4. Step 4: Simplify right side
    3,423.92x = 9,128,395.08
  5. Step 5: Solve for x
    x = 9,128,395.08/3,423.92
  6. Step 6: Final answer
    x = 2,666.07

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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.