Home / 3,312.35-4,571.48-2,136.84

Finding the Fourth Proportional to 3,312.35, 4,571.48 and 2,136.84

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Solution

The fourth proportional to 3,312.35, 4,571.48 and 2,136.84 is: 2,949.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.35 : 4,571.48 = 2,136.84 : x
  2. Step 2: Convert to fraction form
    3,312.35/4,571.48 = 2,136.84/x
  3. Step 3: Cross multiply
    3,312.35x = 4,571.48 × 2,136.84
  4. Step 4: Simplify right side
    3,312.35x = 9,768,499.21
  5. Step 5: Solve for x
    x = 9,768,499.21/3,312.35
  6. Step 6: Final answer
    x = 2,949.11

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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.