Home / 3,905.18-5,852.54-2,860.28

Finding the Fourth Proportional to 3,905.18, 5,852.54 and 2,860.28

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Solution

The fourth proportional to 3,905.18, 5,852.54 and 2,860.28 is: 4,286.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905.18 : 5,852.54 = 2,860.28 : x
  2. Step 2: Convert to fraction form
    3,905.18/5,852.54 = 2,860.28/x
  3. Step 3: Cross multiply
    3,905.18x = 5,852.54 × 2,860.28
  4. Step 4: Simplify right side
    3,905.18x = 16,739,903.11
  5. Step 5: Solve for x
    x = 16,739,903.11/3,905.18
  6. Step 6: Final answer
    x = 4,286.59

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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.