Home / 2,372.55-3,558.83-1,139.67

Finding the Fourth Proportional to 2,372.55, 3,558.83 and 1,139.67

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Solution

The fourth proportional to 2,372.55, 3,558.83 and 1,139.67 is: 1,709.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,372.55 : 3,558.83 = 1,139.67 : x
  2. Step 2: Convert to fraction form
    2,372.55/3,558.83 = 1,139.67/x
  3. Step 3: Cross multiply
    2,372.55x = 3,558.83 × 1,139.67
  4. Step 4: Simplify right side
    2,372.55x = 4,055,886.09
  5. Step 5: Solve for x
    x = 4,055,886.09/2,372.55
  6. Step 6: Final answer
    x = 1,709.51

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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.