Home / 3,208.90-4,429.29-1,883.14

Finding the Fourth Proportional to 3,208.90, 4,429.29 and 1,883.14

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Solution

The fourth proportional to 3,208.90, 4,429.29 and 1,883.14 is: 2,599.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.90 : 4,429.29 = 1,883.14 : x
  2. Step 2: Convert to fraction form
    3,208.90/4,429.29 = 1,883.14/x
  3. Step 3: Cross multiply
    3,208.90x = 4,429.29 × 1,883.14
  4. Step 4: Simplify right side
    3,208.90x = 8,340,973.17
  5. Step 5: Solve for x
    x = 8,340,973.17/3,208.90
  6. Step 6: Final answer
    x = 2,599.32

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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.