Home / 3,285.54-4,535.35-2,222.80

Finding the Fourth Proportional to 3,285.54, 4,535.35 and 2,222.80

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Solution

The fourth proportional to 3,285.54, 4,535.35 and 2,222.80 is: 3,068.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.54 : 4,535.35 = 2,222.80 : x
  2. Step 2: Convert to fraction form
    3,285.54/4,535.35 = 2,222.80/x
  3. Step 3: Cross multiply
    3,285.54x = 4,535.35 × 2,222.80
  4. Step 4: Simplify right side
    3,285.54x = 10,081,159.08
  5. Step 5: Solve for x
    x = 10,081,159.08/3,285.54
  6. Step 6: Final answer
    x = 3,068.34

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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.