Home / 2,561.46-3,838.95-2,212.26

Finding the Fourth Proportional to 2,561.46, 3,838.95 and 2,212.26

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Solution

The fourth proportional to 2,561.46, 3,838.95 and 2,212.26 is: 3,315.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,561.46 : 3,838.95 = 2,212.26 : x
  2. Step 2: Convert to fraction form
    2,561.46/3,838.95 = 2,212.26/x
  3. Step 3: Cross multiply
    2,561.46x = 3,838.95 × 2,212.26
  4. Step 4: Simplify right side
    2,561.46x = 8,492,755.53
  5. Step 5: Solve for x
    x = 8,492,755.53/2,561.46
  6. Step 6: Final answer
    x = 3,315.59

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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.