Home / 2,964.26-4,092.12-1,971.20

Finding the Fourth Proportional to 2,964.26, 4,092.12 and 1,971.20

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Solution

The fourth proportional to 2,964.26, 4,092.12 and 1,971.20 is: 2,721.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,964.26 : 4,092.12 = 1,971.20 : x
  2. Step 2: Convert to fraction form
    2,964.26/4,092.12 = 1,971.20/x
  3. Step 3: Cross multiply
    2,964.26x = 4,092.12 × 1,971.20
  4. Step 4: Simplify right side
    2,964.26x = 8,066,386.94
  5. Step 5: Solve for x
    x = 8,066,386.94/2,964.26
  6. Step 6: Final answer
    x = 2,721.21

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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.