Home / 3,821.64-5,732.76-1,630.38

Finding the Fourth Proportional to 3,821.64, 5,732.76 and 1,630.38

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Solution

The fourth proportional to 3,821.64, 5,732.76 and 1,630.38 is: 2,445.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.64 : 5,732.76 = 1,630.38 : x
  2. Step 2: Convert to fraction form
    3,821.64/5,732.76 = 1,630.38/x
  3. Step 3: Cross multiply
    3,821.64x = 5,732.76 × 1,630.38
  4. Step 4: Simplify right side
    3,821.64x = 9,346,577.25
  5. Step 5: Solve for x
    x = 9,346,577.25/3,821.64
  6. Step 6: Final answer
    x = 2,445.70

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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.