Home / 1,558.41-2,336.45-736.22

Finding the Fourth Proportional to 1,558.41, 2,336.45 and 736.22

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Solution

The fourth proportional to 1,558.41, 2,336.45 and 736.22 is: 1,103.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558.41 : 2,336.45 = 736.22 : x
  2. Step 2: Convert to fraction form
    1,558.41/2,336.45 = 736.22/x
  3. Step 3: Cross multiply
    1,558.41x = 2,336.45 × 736.22
  4. Step 4: Simplify right side
    1,558.41x = 1,720,125.86
  5. Step 5: Solve for x
    x = 1,720,125.86/1,558.41
  6. Step 6: Final answer
    x = 1,103.77

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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.