Home / 3,322.98-4,585.66-1,979.51

Finding the Fourth Proportional to 3,322.98, 4,585.66 and 1,979.51

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Solution

The fourth proportional to 3,322.98, 4,585.66 and 1,979.51 is: 2,731.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,322.98 : 4,585.66 = 1,979.51 : x
  2. Step 2: Convert to fraction form
    3,322.98/4,585.66 = 1,979.51/x
  3. Step 3: Cross multiply
    3,322.98x = 4,585.66 × 1,979.51
  4. Step 4: Simplify right side
    3,322.98x = 9,077,331.95
  5. Step 5: Solve for x
    x = 9,077,331.95/3,322.98
  6. Step 6: Final answer
    x = 2,731.68

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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.