Home / 2,527.21-3,487.38-1,408.06

Finding the Fourth Proportional to 2,527.21, 3,487.38 and 1,408.06

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Solution

The fourth proportional to 2,527.21, 3,487.38 and 1,408.06 is: 1,943.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,527.21 : 3,487.38 = 1,408.06 : x
  2. Step 2: Convert to fraction form
    2,527.21/3,487.38 = 1,408.06/x
  3. Step 3: Cross multiply
    2,527.21x = 3,487.38 × 1,408.06
  4. Step 4: Simplify right side
    2,527.21x = 4,910,440.28
  5. Step 5: Solve for x
    x = 4,910,440.28/2,527.21
  6. Step 6: Final answer
    x = 1,943.03

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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.