Home / 3,213.53-4,821.15-1,364.75

Finding the Fourth Proportional to 3,213.53, 4,821.15 and 1,364.75

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Solution

The fourth proportional to 3,213.53, 4,821.15 and 1,364.75 is: 2,047.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.53 : 4,821.15 = 1,364.75 : x
  2. Step 2: Convert to fraction form
    3,213.53/4,821.15 = 1,364.75/x
  3. Step 3: Cross multiply
    3,213.53x = 4,821.15 × 1,364.75
  4. Step 4: Simplify right side
    3,213.53x = 6,579,664.46
  5. Step 5: Solve for x
    x = 6,579,664.46/3,213.53
  6. Step 6: Final answer
    x = 2,047.49

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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.