Home / 3,813.42-5,261.29-2,320.99

Finding the Fourth Proportional to 3,813.42, 5,261.29 and 2,320.99

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Solution

The fourth proportional to 3,813.42, 5,261.29 and 2,320.99 is: 3,202.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,813.42 : 5,261.29 = 2,320.99 : x
  2. Step 2: Convert to fraction form
    3,813.42/5,261.29 = 2,320.99/x
  3. Step 3: Cross multiply
    3,813.42x = 5,261.29 × 2,320.99
  4. Step 4: Simplify right side
    3,813.42x = 12,211,401.48
  5. Step 5: Solve for x
    x = 12,211,401.48/3,813.42
  6. Step 6: Final answer
    x = 3,202.22

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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.