Home / 3,214.13-4,435.49-1,817.15

Finding the Fourth Proportional to 3,214.13, 4,435.49 and 1,817.15

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Solution

The fourth proportional to 3,214.13, 4,435.49 and 1,817.15 is: 2,507.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.13 : 4,435.49 = 1,817.15 : x
  2. Step 2: Convert to fraction form
    3,214.13/4,435.49 = 1,817.15/x
  3. Step 3: Cross multiply
    3,214.13x = 4,435.49 × 1,817.15
  4. Step 4: Simplify right side
    3,214.13x = 8,059,933.02
  5. Step 5: Solve for x
    x = 8,059,933.02/3,214.13
  6. Step 6: Final answer
    x = 2,507.66

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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.