Home / 1,817.92-2,726.70-1,492.72

Finding the Fourth Proportional to 1,817.92, 2,726.70 and 1,492.72

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Solution

The fourth proportional to 1,817.92, 2,726.70 and 1,492.72 is: 2,238.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817.92 : 2,726.70 = 1,492.72 : x
  2. Step 2: Convert to fraction form
    1,817.92/2,726.70 = 1,492.72/x
  3. Step 3: Cross multiply
    1,817.92x = 2,726.70 × 1,492.72
  4. Step 4: Simplify right side
    1,817.92x = 4,070,199.62
  5. Step 5: Solve for x
    x = 4,070,199.62/1,817.92
  6. Step 6: Final answer
    x = 2,238.93

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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.