Home / 3,285.11-4,535.49-2,090.76

Finding the Fourth Proportional to 3,285.11, 4,535.49 and 2,090.76

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Solution

The fourth proportional to 3,285.11, 4,535.49 and 2,090.76 is: 2,886.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.11 : 4,535.49 = 2,090.76 : x
  2. Step 2: Convert to fraction form
    3,285.11/4,535.49 = 2,090.76/x
  3. Step 3: Cross multiply
    3,285.11x = 4,535.49 × 2,090.76
  4. Step 4: Simplify right side
    3,285.11x = 9,482,610.62
  5. Step 5: Solve for x
    x = 9,482,610.62/3,285.11
  6. Step 6: Final answer
    x = 2,886.55

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Half scale
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Double scale
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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.