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Finding the Fourth Proportional to 3,920.96, 5,882.43 and 1,730.30

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Solution

The fourth proportional to 3,920.96, 5,882.43 and 1,730.30 is: 2,595.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,920.96 : 5,882.43 = 1,730.30 : x
  2. Step 2: Convert to fraction form
    3,920.96/5,882.43 = 1,730.30/x
  3. Step 3: Cross multiply
    3,920.96x = 5,882.43 × 1,730.30
  4. Step 4: Simplify right side
    3,920.96x = 10,178,368.63
  5. Step 5: Solve for x
    x = 10,178,368.63/3,920.96
  6. Step 6: Final answer
    x = 2,595.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.