Home / 1,492.38-2,238.30-942.93

Finding the Fourth Proportional to 1,492.38, 2,238.30 and 942.93

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Solution

The fourth proportional to 1,492.38, 2,238.30 and 942.93 is: 1,414.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492.38 : 2,238.30 = 942.93 : x
  2. Step 2: Convert to fraction form
    1,492.38/2,238.30 = 942.93/x
  3. Step 3: Cross multiply
    1,492.38x = 2,238.30 × 942.93
  4. Step 4: Simplify right side
    1,492.38x = 2,110,560.22
  5. Step 5: Solve for x
    x = 2,110,560.22/1,492.38
  6. Step 6: Final answer
    x = 1,414.22

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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.