Home / 3,654.96-5,050.24-2,875.20

Finding the Fourth Proportional to 3,654.96, 5,050.24 and 2,875.20

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Solution

The fourth proportional to 3,654.96, 5,050.24 and 2,875.20 is: 3,972.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654.96 : 5,050.24 = 2,875.20 : x
  2. Step 2: Convert to fraction form
    3,654.96/5,050.24 = 2,875.20/x
  3. Step 3: Cross multiply
    3,654.96x = 5,050.24 × 2,875.20
  4. Step 4: Simplify right side
    3,654.96x = 14,520,450.05
  5. Step 5: Solve for x
    x = 14,520,450.05/3,654.96
  6. Step 6: Final answer
    x = 3,972.81

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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.