Home / 1,492.62-2,235.14-1,248.54

Finding the Fourth Proportional to 1,492.62, 2,235.14 and 1,248.54

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Solution

The fourth proportional to 1,492.62, 2,235.14 and 1,248.54 is: 1,869.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492.62 : 2,235.14 = 1,248.54 : x
  2. Step 2: Convert to fraction form
    1,492.62/2,235.14 = 1,248.54/x
  3. Step 3: Cross multiply
    1,492.62x = 2,235.14 × 1,248.54
  4. Step 4: Simplify right side
    1,492.62x = 2,790,661.70
  5. Step 5: Solve for x
    x = 2,790,661.70/1,492.62
  6. Step 6: Final answer
    x = 1,869.64

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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.