Home / 3,190.53-4,795.56-2,646.21

Finding the Fourth Proportional to 3,190.53, 4,795.56 and 2,646.21

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Solution

The fourth proportional to 3,190.53, 4,795.56 and 2,646.21 is: 3,977.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.53 : 4,795.56 = 2,646.21 : x
  2. Step 2: Convert to fraction form
    3,190.53/4,795.56 = 2,646.21/x
  3. Step 3: Cross multiply
    3,190.53x = 4,795.56 × 2,646.21
  4. Step 4: Simplify right side
    3,190.53x = 12,690,045.60
  5. Step 5: Solve for x
    x = 12,690,045.60/3,190.53
  6. Step 6: Final answer
    x = 3,977.41

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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.