Home / 1,492.06-2,238.11-396.58

Finding the Fourth Proportional to 1,492.06, 2,238.11 and 396.58

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Solution

The fourth proportional to 1,492.06, 2,238.11 and 396.58 is: 594.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492.06 : 2,238.11 = 396.58 : x
  2. Step 2: Convert to fraction form
    1,492.06/2,238.11 = 396.58/x
  3. Step 3: Cross multiply
    1,492.06x = 2,238.11 × 396.58
  4. Step 4: Simplify right side
    1,492.06x = 887,589.66
  5. Step 5: Solve for x
    x = 887,589.66/1,492.06
  6. Step 6: Final answer
    x = 594.88

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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.