Home / 4,152.84-5,731.11-2,289.84

Finding the Fourth Proportional to 4,152.84, 5,731.11 and 2,289.84

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Solution

The fourth proportional to 4,152.84, 5,731.11 and 2,289.84 is: 3,160.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,152.84 : 5,731.11 = 2,289.84 : x
  2. Step 2: Convert to fraction form
    4,152.84/5,731.11 = 2,289.84/x
  3. Step 3: Cross multiply
    4,152.84x = 5,731.11 × 2,289.84
  4. Step 4: Simplify right side
    4,152.84x = 13,123,324.92
  5. Step 5: Solve for x
    x = 13,123,324.92/4,152.84
  6. Step 6: Final answer
    x = 3,160.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.