Home / 3,214.88-4,436.40-1,817.68

Finding the Fourth Proportional to 3,214.88, 4,436.40 and 1,817.68

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Solution

The fourth proportional to 3,214.88, 4,436.40 and 1,817.68 is: 2,508.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.88 : 4,436.40 = 1,817.68 : x
  2. Step 2: Convert to fraction form
    3,214.88/4,436.40 = 1,817.68/x
  3. Step 3: Cross multiply
    3,214.88x = 4,436.40 × 1,817.68
  4. Step 4: Simplify right side
    3,214.88x = 8,063,955.55
  5. Step 5: Solve for x
    x = 8,063,955.55/3,214.88
  6. Step 6: Final answer
    x = 2,508.32

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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.