Home / 3,558.38-5,337.77-1,478.57

Finding the Fourth Proportional to 3,558.38, 5,337.77 and 1,478.57

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Solution

The fourth proportional to 3,558.38, 5,337.77 and 1,478.57 is: 2,217.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.38 : 5,337.77 = 1,478.57 : x
  2. Step 2: Convert to fraction form
    3,558.38/5,337.77 = 1,478.57/x
  3. Step 3: Cross multiply
    3,558.38x = 5,337.77 × 1,478.57
  4. Step 4: Simplify right side
    3,558.38x = 7,892,232.51
  5. Step 5: Solve for x
    x = 7,892,232.51/3,558.38
  6. Step 6: Final answer
    x = 2,217.93

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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.