Home / 3,309.49-4,567.15-1,817.39

Finding the Fourth Proportional to 3,309.49, 4,567.15 and 1,817.39

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Solution

The fourth proportional to 3,309.49, 4,567.15 and 1,817.39 is: 2,508.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.49 : 4,567.15 = 1,817.39 : x
  2. Step 2: Convert to fraction form
    3,309.49/4,567.15 = 1,817.39/x
  3. Step 3: Cross multiply
    3,309.49x = 4,567.15 × 1,817.39
  4. Step 4: Simplify right side
    3,309.49x = 8,300,292.74
  5. Step 5: Solve for x
    x = 8,300,292.74/3,309.49
  6. Step 6: Final answer
    x = 2,508.03

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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.