Home / 2,913.45-4,372.01-1,527.78

Finding the Fourth Proportional to 2,913.45, 4,372.01 and 1,527.78

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Solution

The fourth proportional to 2,913.45, 4,372.01 and 1,527.78 is: 2,292.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.45 : 4,372.01 = 1,527.78 : x
  2. Step 2: Convert to fraction form
    2,913.45/4,372.01 = 1,527.78/x
  3. Step 3: Cross multiply
    2,913.45x = 4,372.01 × 1,527.78
  4. Step 4: Simplify right side
    2,913.45x = 6,679,469.44
  5. Step 5: Solve for x
    x = 6,679,469.44/2,913.45
  6. Step 6: Final answer
    x = 2,292.63

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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.