Home / 3,288.15-4,537.90-1,871.89

Finding the Fourth Proportional to 3,288.15, 4,537.90 and 1,871.89

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Solution

The fourth proportional to 3,288.15, 4,537.90 and 1,871.89 is: 2,583.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.15 : 4,537.90 = 1,871.89 : x
  2. Step 2: Convert to fraction form
    3,288.15/4,537.90 = 1,871.89/x
  3. Step 3: Cross multiply
    3,288.15x = 4,537.90 × 1,871.89
  4. Step 4: Simplify right side
    3,288.15x = 8,494,449.63
  5. Step 5: Solve for x
    x = 8,494,449.63/3,288.15
  6. Step 6: Final answer
    x = 2,583.35

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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.