Home / 3,886.35-5,358.93-2,625.22

Finding the Fourth Proportional to 3,886.35, 5,358.93 and 2,625.22

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Solution

The fourth proportional to 3,886.35, 5,358.93 and 2,625.22 is: 3,619.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886.35 : 5,358.93 = 2,625.22 : x
  2. Step 2: Convert to fraction form
    3,886.35/5,358.93 = 2,625.22/x
  3. Step 3: Cross multiply
    3,886.35x = 5,358.93 × 2,625.22
  4. Step 4: Simplify right side
    3,886.35x = 14,068,385.45
  5. Step 5: Solve for x
    x = 14,068,385.45/3,886.35
  6. Step 6: Final answer
    x = 3,619.94

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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.