Home / 2,803.99-3,869.49-1,625.04

Finding the Fourth Proportional to 2,803.99, 3,869.49 and 1,625.04

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Solution

The fourth proportional to 2,803.99, 3,869.49 and 1,625.04 is: 2,242.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803.99 : 3,869.49 = 1,625.04 : x
  2. Step 2: Convert to fraction form
    2,803.99/3,869.49 = 1,625.04/x
  3. Step 3: Cross multiply
    2,803.99x = 3,869.49 × 1,625.04
  4. Step 4: Simplify right side
    2,803.99x = 6,288,076.03
  5. Step 5: Solve for x
    x = 6,288,076.03/2,803.99
  6. Step 6: Final answer
    x = 2,242.55

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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.