Home / 3,750.34-5,620.95-2,822.91

Finding the Fourth Proportional to 3,750.34, 5,620.95 and 2,822.91

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Solution

The fourth proportional to 3,750.34, 5,620.95 and 2,822.91 is: 4,230.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.34 : 5,620.95 = 2,822.91 : x
  2. Step 2: Convert to fraction form
    3,750.34/5,620.95 = 2,822.91/x
  3. Step 3: Cross multiply
    3,750.34x = 5,620.95 × 2,822.91
  4. Step 4: Simplify right side
    3,750.34x = 15,867,435.96
  5. Step 5: Solve for x
    x = 15,867,435.96/3,750.34
  6. Step 6: Final answer
    x = 4,230.93

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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.