Home / 3,285.50-4,533.56-1,959.36

Finding the Fourth Proportional to 3,285.50, 4,533.56 and 1,959.36

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Solution

The fourth proportional to 3,285.50, 4,533.56 and 1,959.36 is: 2,703.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.50 : 4,533.56 = 1,959.36 : x
  2. Step 2: Convert to fraction form
    3,285.50/4,533.56 = 1,959.36/x
  3. Step 3: Cross multiply
    3,285.50x = 4,533.56 × 1,959.36
  4. Step 4: Simplify right side
    3,285.50x = 8,882,876.12
  5. Step 5: Solve for x
    x = 8,882,876.12/3,285.50
  6. Step 6: Final answer
    x = 2,703.66

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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.