Home / 3,527.72-4,867.48-2,130.44

Finding the Fourth Proportional to 3,527.72, 4,867.48 and 2,130.44

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Solution

The fourth proportional to 3,527.72, 4,867.48 and 2,130.44 is: 2,939.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,527.72 : 4,867.48 = 2,130.44 : x
  2. Step 2: Convert to fraction form
    3,527.72/4,867.48 = 2,130.44/x
  3. Step 3: Cross multiply
    3,527.72x = 4,867.48 × 2,130.44
  4. Step 4: Simplify right side
    3,527.72x = 10,369,874.09
  5. Step 5: Solve for x
    x = 10,369,874.09/3,527.72
  6. Step 6: Final answer
    x = 2,939.54

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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.