Home / 3,423.38-4,725.70-2,230.08

Finding the Fourth Proportional to 3,423.38, 4,725.70 and 2,230.08

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Solution

The fourth proportional to 3,423.38, 4,725.70 and 2,230.08 is: 3,078.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.38 : 4,725.70 = 2,230.08 : x
  2. Step 2: Convert to fraction form
    3,423.38/4,725.70 = 2,230.08/x
  3. Step 3: Cross multiply
    3,423.38x = 4,725.70 × 2,230.08
  4. Step 4: Simplify right side
    3,423.38x = 10,538,689.06
  5. Step 5: Solve for x
    x = 10,538,689.06/3,423.38
  6. Step 6: Final answer
    x = 3,078.45

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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.