Home / 3,154.34-4,705.71-2,930.60

Finding the Fourth Proportional to 3,154.34, 4,705.71 and 2,930.60

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Solution

The fourth proportional to 3,154.34, 4,705.71 and 2,930.60 is: 4,371.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.34 : 4,705.71 = 2,930.60 : x
  2. Step 2: Convert to fraction form
    3,154.34/4,705.71 = 2,930.60/x
  3. Step 3: Cross multiply
    3,154.34x = 4,705.71 × 2,930.60
  4. Step 4: Simplify right side
    3,154.34x = 13,790,553.73
  5. Step 5: Solve for x
    x = 13,790,553.73/3,154.34
  6. Step 6: Final answer
    x = 4,371.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.