Home / 2,492.92-3,739.12-1,106.28

Finding the Fourth Proportional to 2,492.92, 3,739.12 and 1,106.28

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Solution

The fourth proportional to 2,492.92, 3,739.12 and 1,106.28 is: 1,659.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,492.92 : 3,739.12 = 1,106.28 : x
  2. Step 2: Convert to fraction form
    2,492.92/3,739.12 = 1,106.28/x
  3. Step 3: Cross multiply
    2,492.92x = 3,739.12 × 1,106.28
  4. Step 4: Simplify right side
    2,492.92x = 4,136,513.67
  5. Step 5: Solve for x
    x = 4,136,513.67/2,492.92
  6. Step 6: Final answer
    x = 1,659.30

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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.