Home / 2,783.13-4,171.09-2,084.32

Finding the Fourth Proportional to 2,783.13, 4,171.09 and 2,084.32

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Solution

The fourth proportional to 2,783.13, 4,171.09 and 2,084.32 is: 3,123.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.13 : 4,171.09 = 2,084.32 : x
  2. Step 2: Convert to fraction form
    2,783.13/4,171.09 = 2,084.32/x
  3. Step 3: Cross multiply
    2,783.13x = 4,171.09 × 2,084.32
  4. Step 4: Simplify right side
    2,783.13x = 8,693,886.31
  5. Step 5: Solve for x
    x = 8,693,886.31/2,783.13
  6. Step 6: Final answer
    x = 3,123.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.