Home / 3,021.01-4,167.12-1,973.05

Finding the Fourth Proportional to 3,021.01, 4,167.12 and 1,973.05

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Solution

The fourth proportional to 3,021.01, 4,167.12 and 1,973.05 is: 2,721.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.01 : 4,167.12 = 1,973.05 : x
  2. Step 2: Convert to fraction form
    3,021.01/4,167.12 = 1,973.05/x
  3. Step 3: Cross multiply
    3,021.01x = 4,167.12 × 1,973.05
  4. Step 4: Simplify right side
    3,021.01x = 8,221,936.12
  5. Step 5: Solve for x
    x = 8,221,936.12/3,021.01
  6. Step 6: Final answer
    x = 2,721.59

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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.