Home / 3,820.02-5,730.50-1,628.43

Finding the Fourth Proportional to 3,820.02, 5,730.50 and 1,628.43

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Solution

The fourth proportional to 3,820.02, 5,730.50 and 1,628.43 is: 2,442.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820.02 : 5,730.50 = 1,628.43 : x
  2. Step 2: Convert to fraction form
    3,820.02/5,730.50 = 1,628.43/x
  3. Step 3: Cross multiply
    3,820.02x = 5,730.50 × 1,628.43
  4. Step 4: Simplify right side
    3,820.02x = 9,331,718.12
  5. Step 5: Solve for x
    x = 9,331,718.12/3,820.02
  6. Step 6: Final answer
    x = 2,442.85

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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.