Home / 3,285.29-4,534.30-1,959.09

Finding the Fourth Proportional to 3,285.29, 4,534.30 and 1,959.09

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Solution

The fourth proportional to 3,285.29, 4,534.30 and 1,959.09 is: 2,703.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.29 : 4,534.30 = 1,959.09 : x
  2. Step 2: Convert to fraction form
    3,285.29/4,534.30 = 1,959.09/x
  3. Step 3: Cross multiply
    3,285.29x = 4,534.30 × 1,959.09
  4. Step 4: Simplify right side
    3,285.29x = 8,883,076.21
  5. Step 5: Solve for x
    x = 8,883,076.21/3,285.29
  6. Step 6: Final answer
    x = 2,703.89

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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.