Home / 3,903.18-5,855.58-2,261.31

Finding the Fourth Proportional to 3,903.18, 5,855.58 and 2,261.31

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Solution

The fourth proportional to 3,903.18, 5,855.58 and 2,261.31 is: 3,392.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.18 : 5,855.58 = 2,261.31 : x
  2. Step 2: Convert to fraction form
    3,903.18/5,855.58 = 2,261.31/x
  3. Step 3: Cross multiply
    3,903.18x = 5,855.58 × 2,261.31
  4. Step 4: Simplify right side
    3,903.18x = 13,241,281.61
  5. Step 5: Solve for x
    x = 13,241,281.61/3,903.18
  6. Step 6: Final answer
    x = 3,392.43

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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.