Home / 3,170.53-4,740.81-2,383.21

Finding the Fourth Proportional to 3,170.53, 4,740.81 and 2,383.21

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Solution

The fourth proportional to 3,170.53, 4,740.81 and 2,383.21 is: 3,563.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.53 : 4,740.81 = 2,383.21 : x
  2. Step 2: Convert to fraction form
    3,170.53/4,740.81 = 2,383.21/x
  3. Step 3: Cross multiply
    3,170.53x = 4,740.81 × 2,383.21
  4. Step 4: Simplify right side
    3,170.53x = 11,298,345.80
  5. Step 5: Solve for x
    x = 11,298,345.80/3,170.53
  6. Step 6: Final answer
    x = 3,563.55

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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.