Home / 3,783.76-5,675.64-2,254.48

Finding the Fourth Proportional to 3,783.76, 5,675.64 and 2,254.48

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Solution

The fourth proportional to 3,783.76, 5,675.64 and 2,254.48 is: 3,381.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783.76 : 5,675.64 = 2,254.48 : x
  2. Step 2: Convert to fraction form
    3,783.76/5,675.64 = 2,254.48/x
  3. Step 3: Cross multiply
    3,783.76x = 5,675.64 × 2,254.48
  4. Step 4: Simplify right side
    3,783.76x = 12,795,616.87
  5. Step 5: Solve for x
    x = 12,795,616.87/3,783.76
  6. Step 6: Final answer
    x = 3,381.72

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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.