Home / 3,903.17-5,388.32-2,650.82

Finding the Fourth Proportional to 3,903.17, 5,388.32 and 2,650.82

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Solution

The fourth proportional to 3,903.17, 5,388.32 and 2,650.82 is: 3,659.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.17 : 5,388.32 = 2,650.82 : x
  2. Step 2: Convert to fraction form
    3,903.17/5,388.32 = 2,650.82/x
  3. Step 3: Cross multiply
    3,903.17x = 5,388.32 × 2,650.82
  4. Step 4: Simplify right side
    3,903.17x = 14,283,446.11
  5. Step 5: Solve for x
    x = 14,283,446.11/3,903.17
  6. Step 6: Final answer
    x = 3,659.45

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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.