Home / 3,216.60-4,822.76-2,117.63

Finding the Fourth Proportional to 3,216.60, 4,822.76 and 2,117.63

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Solution

The fourth proportional to 3,216.60, 4,822.76 and 2,117.63 is: 3,175.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.60 : 4,822.76 = 2,117.63 : x
  2. Step 2: Convert to fraction form
    3,216.60/4,822.76 = 2,117.63/x
  3. Step 3: Cross multiply
    3,216.60x = 4,822.76 × 2,117.63
  4. Step 4: Simplify right side
    3,216.60x = 10,212,821.26
  5. Step 5: Solve for x
    x = 10,212,821.26/3,216.60
  6. Step 6: Final answer
    x = 3,175.04

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1.5x scale

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.