Home / 2,491.43-3,734.14-1,103.19

Finding the Fourth Proportional to 2,491.43, 3,734.14 and 1,103.19

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Solution

The fourth proportional to 2,491.43, 3,734.14 and 1,103.19 is: 1,653.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491.43 : 3,734.14 = 1,103.19 : x
  2. Step 2: Convert to fraction form
    2,491.43/3,734.14 = 1,103.19/x
  3. Step 3: Cross multiply
    2,491.43x = 3,734.14 × 1,103.19
  4. Step 4: Simplify right side
    2,491.43x = 4,119,465.91
  5. Step 5: Solve for x
    x = 4,119,465.91/2,491.43
  6. Step 6: Final answer
    x = 1,653.45

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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.