Home / 3,463.11-4,778.99-1,971.24

Finding the Fourth Proportional to 3,463.11, 4,778.99 and 1,971.24

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Solution

The fourth proportional to 3,463.11, 4,778.99 and 1,971.24 is: 2,720.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,463.11 : 4,778.99 = 1,971.24 : x
  2. Step 2: Convert to fraction form
    3,463.11/4,778.99 = 1,971.24/x
  3. Step 3: Cross multiply
    3,463.11x = 4,778.99 × 1,971.24
  4. Step 4: Simplify right side
    3,463.11x = 9,420,526.39
  5. Step 5: Solve for x
    x = 9,420,526.39/3,463.11
  6. Step 6: Final answer
    x = 2,720.25

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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.