Home / 3,290.19-4,538.77-2,227.99

Finding the Fourth Proportional to 3,290.19, 4,538.77 and 2,227.99

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Solution

The fourth proportional to 3,290.19, 4,538.77 and 2,227.99 is: 3,073.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.19 : 4,538.77 = 2,227.99 : x
  2. Step 2: Convert to fraction form
    3,290.19/4,538.77 = 2,227.99/x
  3. Step 3: Cross multiply
    3,290.19x = 4,538.77 × 2,227.99
  4. Step 4: Simplify right side
    3,290.19x = 10,112,334.17
  5. Step 5: Solve for x
    x = 10,112,334.17/3,290.19
  6. Step 6: Final answer
    x = 3,073.48

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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.