Home / 3,285.19-4,534.05-2,009.80

Finding the Fourth Proportional to 3,285.19, 4,534.05 and 2,009.80

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Solution

The fourth proportional to 3,285.19, 4,534.05 and 2,009.80 is: 2,773.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.19 : 4,534.05 = 2,009.80 : x
  2. Step 2: Convert to fraction form
    3,285.19/4,534.05 = 2,009.80/x
  3. Step 3: Cross multiply
    3,285.19x = 4,534.05 × 2,009.80
  4. Step 4: Simplify right side
    3,285.19x = 9,112,533.69
  5. Step 5: Solve for x
    x = 9,112,533.69/3,285.19
  6. Step 6: Final answer
    x = 2,773.82

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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.