Home / 3,336.90-4,605.05-2,215.90

Finding the Fourth Proportional to 3,336.90, 4,605.05 and 2,215.90

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Solution

The fourth proportional to 3,336.90, 4,605.05 and 2,215.90 is: 3,058.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,336.90 : 4,605.05 = 2,215.90 : x
  2. Step 2: Convert to fraction form
    3,336.90/4,605.05 = 2,215.90/x
  3. Step 3: Cross multiply
    3,336.90x = 4,605.05 × 2,215.90
  4. Step 4: Simplify right side
    3,336.90x = 10,204,330.30
  5. Step 5: Solve for x
    x = 10,204,330.30/3,336.90
  6. Step 6: Final answer
    x = 3,058.03

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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.