Home / 3,301.25-4,555.71-1,809.21

Finding the Fourth Proportional to 3,301.25, 4,555.71 and 1,809.21

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Solution

The fourth proportional to 3,301.25, 4,555.71 and 1,809.21 is: 2,496.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,301.25 : 4,555.71 = 1,809.21 : x
  2. Step 2: Convert to fraction form
    3,301.25/4,555.71 = 1,809.21/x
  3. Step 3: Cross multiply
    3,301.25x = 4,555.71 × 1,809.21
  4. Step 4: Simplify right side
    3,301.25x = 8,242,253.17
  5. Step 5: Solve for x
    x = 8,242,253.17/3,301.25
  6. Step 6: Final answer
    x = 2,496.71

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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.