Home / 2,492.14-3,742.16-1,790.48

Finding the Fourth Proportional to 2,492.14, 3,742.16 and 1,790.48

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Solution

The fourth proportional to 2,492.14, 3,742.16 and 1,790.48 is: 2,688.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,492.14 : 3,742.16 = 1,790.48 : x
  2. Step 2: Convert to fraction form
    2,492.14/3,742.16 = 1,790.48/x
  3. Step 3: Cross multiply
    2,492.14x = 3,742.16 × 1,790.48
  4. Step 4: Simplify right side
    2,492.14x = 6,700,262.64
  5. Step 5: Solve for x
    x = 6,700,262.64/2,492.14
  6. Step 6: Final answer
    x = 2,688.56

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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.