Home / 3,821.90-5,731.46-3,001.77

Finding the Fourth Proportional to 3,821.90, 5,731.46 and 3,001.77

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Solution

The fourth proportional to 3,821.90, 5,731.46 and 3,001.77 is: 4,501.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.90 : 5,731.46 = 3,001.77 : x
  2. Step 2: Convert to fraction form
    3,821.90/5,731.46 = 3,001.77/x
  3. Step 3: Cross multiply
    3,821.90x = 5,731.46 × 3,001.77
  4. Step 4: Simplify right side
    3,821.90x = 17,204,509.68
  5. Step 5: Solve for x
    x = 17,204,509.68/3,821.90
  6. Step 6: Final answer
    x = 4,501.57

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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.