Home / 2,378.59-3,568.08-1,192.21

Finding the Fourth Proportional to 2,378.59, 3,568.08 and 1,192.21

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Solution

The fourth proportional to 2,378.59, 3,568.08 and 1,192.21 is: 1,788.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378.59 : 3,568.08 = 1,192.21 : x
  2. Step 2: Convert to fraction form
    2,378.59/3,568.08 = 1,192.21/x
  3. Step 3: Cross multiply
    2,378.59x = 3,568.08 × 1,192.21
  4. Step 4: Simplify right side
    2,378.59x = 4,253,900.66
  5. Step 5: Solve for x
    x = 4,253,900.66/2,378.59
  6. Step 6: Final answer
    x = 1,788.41

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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.