Home / 3,914.08-5,402.90-2,589.59

Finding the Fourth Proportional to 3,914.08, 5,402.90 and 2,589.59

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Solution

The fourth proportional to 3,914.08, 5,402.90 and 2,589.59 is: 3,574.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914.08 : 5,402.90 = 2,589.59 : x
  2. Step 2: Convert to fraction form
    3,914.08/5,402.90 = 2,589.59/x
  3. Step 3: Cross multiply
    3,914.08x = 5,402.90 × 2,589.59
  4. Step 4: Simplify right side
    3,914.08x = 13,991,295.81
  5. Step 5: Solve for x
    x = 13,991,295.81/3,914.08
  6. Step 6: Final answer
    x = 3,574.61

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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.