Home / 3,708.26-5,115.03-2,588.78

Finding the Fourth Proportional to 3,708.26, 5,115.03 and 2,588.78

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Solution

The fourth proportional to 3,708.26, 5,115.03 and 2,588.78 is: 3,570.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.26 : 5,115.03 = 2,588.78 : x
  2. Step 2: Convert to fraction form
    3,708.26/5,115.03 = 2,588.78/x
  3. Step 3: Cross multiply
    3,708.26x = 5,115.03 × 2,588.78
  4. Step 4: Simplify right side
    3,708.26x = 13,241,674.42
  5. Step 5: Solve for x
    x = 13,241,674.42/3,708.26
  6. Step 6: Final answer
    x = 3,570.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.