Home / 3,889.36-5,363.06-2,628.22

Finding the Fourth Proportional to 3,889.36, 5,363.06 and 2,628.22

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Solution

The fourth proportional to 3,889.36, 5,363.06 and 2,628.22 is: 3,624.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889.36 : 5,363.06 = 2,628.22 : x
  2. Step 2: Convert to fraction form
    3,889.36/5,363.06 = 2,628.22/x
  3. Step 3: Cross multiply
    3,889.36x = 5,363.06 × 2,628.22
  4. Step 4: Simplify right side
    3,889.36x = 14,095,301.55
  5. Step 5: Solve for x
    x = 14,095,301.55/3,889.36
  6. Step 6: Final answer
    x = 3,624.07

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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.