Home / 3,309.74-4,567.51-1,817.75

Finding the Fourth Proportional to 3,309.74, 4,567.51 and 1,817.75

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Solution

The fourth proportional to 3,309.74, 4,567.51 and 1,817.75 is: 2,508.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.74 : 4,567.51 = 1,817.75 : x
  2. Step 2: Convert to fraction form
    3,309.74/4,567.51 = 1,817.75/x
  3. Step 3: Cross multiply
    3,309.74x = 4,567.51 × 1,817.75
  4. Step 4: Simplify right side
    3,309.74x = 8,302,591.30
  5. Step 5: Solve for x
    x = 8,302,591.30/3,309.74
  6. Step 6: Final answer
    x = 2,508.54

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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.