Home / 1,492.26-2,238.22-396.71

Finding the Fourth Proportional to 1,492.26, 2,238.22 and 396.71

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Solution

The fourth proportional to 1,492.26, 2,238.22 and 396.71 is: 595.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492.26 : 2,238.22 = 396.71 : x
  2. Step 2: Convert to fraction form
    1,492.26/2,238.22 = 396.71/x
  3. Step 3: Cross multiply
    1,492.26x = 2,238.22 × 396.71
  4. Step 4: Simplify right side
    1,492.26x = 887,917.67
  5. Step 5: Solve for x
    x = 887,917.67/1,492.26
  6. Step 6: Final answer
    x = 595.02

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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.