Home / 3,909.25-5,395.33-2,417.08

Finding the Fourth Proportional to 3,909.25, 5,395.33 and 2,417.08

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Solution

The fourth proportional to 3,909.25, 5,395.33 and 2,417.08 is: 3,335.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909.25 : 5,395.33 = 2,417.08 : x
  2. Step 2: Convert to fraction form
    3,909.25/5,395.33 = 2,417.08/x
  3. Step 3: Cross multiply
    3,909.25x = 5,395.33 × 2,417.08
  4. Step 4: Simplify right side
    3,909.25x = 13,040,917.26
  5. Step 5: Solve for x
    x = 13,040,917.26/3,909.25
  6. Step 6: Final answer
    x = 3,335.91

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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.