Home / 3,037.95-4,192.68-1,859.80

Finding the Fourth Proportional to 3,037.95, 4,192.68 and 1,859.80

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Solution

The fourth proportional to 3,037.95, 4,192.68 and 1,859.80 is: 2,566.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,037.95 : 4,192.68 = 1,859.80 : x
  2. Step 2: Convert to fraction form
    3,037.95/4,192.68 = 1,859.80/x
  3. Step 3: Cross multiply
    3,037.95x = 4,192.68 × 1,859.80
  4. Step 4: Simplify right side
    3,037.95x = 7,797,546.26
  5. Step 5: Solve for x
    x = 7,797,546.26/3,037.95
  6. Step 6: Final answer
    x = 2,566.71

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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.