Home / 2,492.55-3,440.95-1,608.84

Finding the Fourth Proportional to 2,492.55, 3,440.95 and 1,608.84

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Solution

The fourth proportional to 2,492.55, 3,440.95 and 1,608.84 is: 2,220.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,492.55 : 3,440.95 = 1,608.84 : x
  2. Step 2: Convert to fraction form
    2,492.55/3,440.95 = 1,608.84/x
  3. Step 3: Cross multiply
    2,492.55x = 3,440.95 × 1,608.84
  4. Step 4: Simplify right side
    2,492.55x = 5,535,933.98
  5. Step 5: Solve for x
    x = 5,535,933.98/2,492.55
  6. Step 6: Final answer
    x = 2,220.99

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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.