Home / 3,491.71-4,820.84-2,167.36

Finding the Fourth Proportional to 3,491.71, 4,820.84 and 2,167.36

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Solution

The fourth proportional to 3,491.71, 4,820.84 and 2,167.36 is: 2,992.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.71 : 4,820.84 = 2,167.36 : x
  2. Step 2: Convert to fraction form
    3,491.71/4,820.84 = 2,167.36/x
  3. Step 3: Cross multiply
    3,491.71x = 4,820.84 × 2,167.36
  4. Step 4: Simplify right side
    3,491.71x = 10,448,495.78
  5. Step 5: Solve for x
    x = 10,448,495.78/3,491.71
  6. Step 6: Final answer
    x = 2,992.37

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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.