Home / 3,631.53-5,447.90-2,851.50

Finding the Fourth Proportional to 3,631.53, 5,447.90 and 2,851.50

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Solution

The fourth proportional to 3,631.53, 5,447.90 and 2,851.50 is: 4,277.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.53 : 5,447.90 = 2,851.50 : x
  2. Step 2: Convert to fraction form
    3,631.53/5,447.90 = 2,851.50/x
  3. Step 3: Cross multiply
    3,631.53x = 5,447.90 × 2,851.50
  4. Step 4: Simplify right side
    3,631.53x = 15,534,693.98
  5. Step 5: Solve for x
    x = 15,534,693.98/3,631.53
  6. Step 6: Final answer
    x = 4,277.73

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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.