Home / 3,201.68-4,418.34-1,875.44

Finding the Fourth Proportional to 3,201.68, 4,418.34 and 1,875.44

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Solution

The fourth proportional to 3,201.68, 4,418.34 and 1,875.44 is: 2,588.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.68 : 4,418.34 = 1,875.44 : x
  2. Step 2: Convert to fraction form
    3,201.68/4,418.34 = 1,875.44/x
  3. Step 3: Cross multiply
    3,201.68x = 4,418.34 × 1,875.44
  4. Step 4: Simplify right side
    3,201.68x = 8,286,331.57
  5. Step 5: Solve for x
    x = 8,286,331.57/3,201.68
  6. Step 6: Final answer
    x = 2,588.12

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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.