Home / 3,820.21-5,730.32-1,046.90

Finding the Fourth Proportional to 3,820.21, 5,730.32 and 1,046.90

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Solution

The fourth proportional to 3,820.21, 5,730.32 and 1,046.90 is: 1,570.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820.21 : 5,730.32 = 1,046.90 : x
  2. Step 2: Convert to fraction form
    3,820.21/5,730.32 = 1,046.90/x
  3. Step 3: Cross multiply
    3,820.21x = 5,730.32 × 1,046.90
  4. Step 4: Simplify right side
    3,820.21x = 5,999,069.89
  5. Step 5: Solve for x
    x = 5,999,069.89/3,820.21
  6. Step 6: Final answer
    x = 1,570.35

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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.