Home / 2,169.46-3,254.16-1,783.90

Finding the Fourth Proportional to 2,169.46, 3,254.16 and 1,783.90

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Solution

The fourth proportional to 2,169.46, 3,254.16 and 1,783.90 is: 2,675.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,169.46 : 3,254.16 = 1,783.90 : x
  2. Step 2: Convert to fraction form
    2,169.46/3,254.16 = 1,783.90/x
  3. Step 3: Cross multiply
    2,169.46x = 3,254.16 × 1,783.90
  4. Step 4: Simplify right side
    2,169.46x = 5,805,096.02
  5. Step 5: Solve for x
    x = 5,805,096.02/2,169.46
  6. Step 6: Final answer
    x = 2,675.83

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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.