Home / 3,819.74-5,271.30-2,492.68

Finding the Fourth Proportional to 3,819.74, 5,271.30 and 2,492.68

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Solution

The fourth proportional to 3,819.74, 5,271.30 and 2,492.68 is: 3,439.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.74 : 5,271.30 = 2,492.68 : x
  2. Step 2: Convert to fraction form
    3,819.74/5,271.30 = 2,492.68/x
  3. Step 3: Cross multiply
    3,819.74x = 5,271.30 × 2,492.68
  4. Step 4: Simplify right side
    3,819.74x = 13,139,664.08
  5. Step 5: Solve for x
    x = 13,139,664.08/3,819.74
  6. Step 6: Final answer
    x = 3,439.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.