Home / 3,290.09-4,935.06-1,974.17

Finding the Fourth Proportional to 3,290.09, 4,935.06 and 1,974.17

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Solution

The fourth proportional to 3,290.09, 4,935.06 and 1,974.17 is: 2,961.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.09 : 4,935.06 = 1,974.17 : x
  2. Step 2: Convert to fraction form
    3,290.09/4,935.06 = 1,974.17/x
  3. Step 3: Cross multiply
    3,290.09x = 4,935.06 × 1,974.17
  4. Step 4: Simplify right side
    3,290.09x = 9,742,659.74
  5. Step 5: Solve for x
    x = 9,742,659.74/3,290.09
  6. Step 6: Final answer
    x = 2,961.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.