Home / 2,492.08-3,739.20-1,398.04

Finding the Fourth Proportional to 2,492.08, 3,739.20 and 1,398.04

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Solution

The fourth proportional to 2,492.08, 3,739.20 and 1,398.04 is: 2,097.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,492.08 : 3,739.20 = 1,398.04 : x
  2. Step 2: Convert to fraction form
    2,492.08/3,739.20 = 1,398.04/x
  3. Step 3: Cross multiply
    2,492.08x = 3,739.20 × 1,398.04
  4. Step 4: Simplify right side
    2,492.08x = 5,227,551.17
  5. Step 5: Solve for x
    x = 5,227,551.17/2,492.08
  6. Step 6: Final answer
    x = 2,097.67

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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.