Home / 3,670.21-5,476.26-3,320.29

Finding the Fourth Proportional to 3,670.21, 5,476.26 and 3,320.29

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Solution

The fourth proportional to 3,670.21, 5,476.26 and 3,320.29 is: 4,954.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.21 : 5,476.26 = 3,320.29 : x
  2. Step 2: Convert to fraction form
    3,670.21/5,476.26 = 3,320.29/x
  3. Step 3: Cross multiply
    3,670.21x = 5,476.26 × 3,320.29
  4. Step 4: Simplify right side
    3,670.21x = 18,182,771.94
  5. Step 5: Solve for x
    x = 18,182,771.94/3,670.21
  6. Step 6: Final answer
    x = 4,954.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.