Home / 3,438.33-5,155.61-1,588.43

Finding the Fourth Proportional to 3,438.33, 5,155.61 and 1,588.43

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Solution

The fourth proportional to 3,438.33, 5,155.61 and 1,588.43 is: 2,381.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.33 : 5,155.61 = 1,588.43 : x
  2. Step 2: Convert to fraction form
    3,438.33/5,155.61 = 1,588.43/x
  3. Step 3: Cross multiply
    3,438.33x = 5,155.61 × 1,588.43
  4. Step 4: Simplify right side
    3,438.33x = 8,189,291.87
  5. Step 5: Solve for x
    x = 8,189,291.87/3,438.33
  6. Step 6: Final answer
    x = 2,381.76

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1.5x scale

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.