Home / 3,491.07-4,819.80-2,428.44

Finding the Fourth Proportional to 3,491.07, 4,819.80 and 2,428.44

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Solution

The fourth proportional to 3,491.07, 4,819.80 and 2,428.44 is: 3,352.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.07 : 4,819.80 = 2,428.44 : x
  2. Step 2: Convert to fraction form
    3,491.07/4,819.80 = 2,428.44/x
  3. Step 3: Cross multiply
    3,491.07x = 4,819.80 × 2,428.44
  4. Step 4: Simplify right side
    3,491.07x = 11,704,595.11
  5. Step 5: Solve for x
    x = 11,704,595.11/3,491.07
  6. Step 6: Final answer
    x = 3,352.72

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1.5x scale

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.