Home / 2,551.56-3,823.68-1,453.66

Finding the Fourth Proportional to 2,551.56, 3,823.68 and 1,453.66

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Solution

The fourth proportional to 2,551.56, 3,823.68 and 1,453.66 is: 2,178.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.56 : 3,823.68 = 1,453.66 : x
  2. Step 2: Convert to fraction form
    2,551.56/3,823.68 = 1,453.66/x
  3. Step 3: Cross multiply
    2,551.56x = 3,823.68 × 1,453.66
  4. Step 4: Simplify right side
    2,551.56x = 5,558,311.55
  5. Step 5: Solve for x
    x = 5,558,311.55/2,551.56
  6. Step 6: Final answer
    x = 2,178.40

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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.