Home / 3,938.37-5,435.00-2,259.71

Finding the Fourth Proportional to 3,938.37, 5,435.00 and 2,259.71

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Solution

The fourth proportional to 3,938.37, 5,435.00 and 2,259.71 is: 3,118.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938.37 : 5,435.00 = 2,259.71 : x
  2. Step 2: Convert to fraction form
    3,938.37/5,435.00 = 2,259.71/x
  3. Step 3: Cross multiply
    3,938.37x = 5,435.00 × 2,259.71
  4. Step 4: Simplify right side
    3,938.37x = 12,281,514.23
  5. Step 5: Solve for x
    x = 12,281,514.23/3,938.37
  6. Step 6: Final answer
    x = 3,118.43

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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.