Home / 3,298.36-4,550.43-1,971.58

Finding the Fourth Proportional to 3,298.36, 4,550.43 and 1,971.58

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Solution

The fourth proportional to 3,298.36, 4,550.43 and 1,971.58 is: 2,720.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298.36 : 4,550.43 = 1,971.58 : x
  2. Step 2: Convert to fraction form
    3,298.36/4,550.43 = 1,971.58/x
  3. Step 3: Cross multiply
    3,298.36x = 4,550.43 × 1,971.58
  4. Step 4: Simplify right side
    3,298.36x = 8,971,536.78
  5. Step 5: Solve for x
    x = 8,971,536.78/3,298.36
  6. Step 6: Final answer
    x = 2,720.00

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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.