Home / 3,301.28-4,555.82-1,809.34

Finding the Fourth Proportional to 3,301.28, 4,555.82 and 1,809.34

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Solution

The fourth proportional to 3,301.28, 4,555.82 and 1,809.34 is: 2,496.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,301.28 : 4,555.82 = 1,809.34 : x
  2. Step 2: Convert to fraction form
    3,301.28/4,555.82 = 1,809.34/x
  3. Step 3: Cross multiply
    3,301.28x = 4,555.82 × 1,809.34
  4. Step 4: Simplify right side
    3,301.28x = 8,243,027.36
  5. Step 5: Solve for x
    x = 8,243,027.36/3,301.28
  6. Step 6: Final answer
    x = 2,496.92

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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.