Home / 3,020.01-4,165.74-1,972.05

Finding the Fourth Proportional to 3,020.01, 4,165.74 and 1,972.05

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Solution

The fourth proportional to 3,020.01, 4,165.74 and 1,972.05 is: 2,720.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.01 : 4,165.74 = 1,972.05 : x
  2. Step 2: Convert to fraction form
    3,020.01/4,165.74 = 1,972.05/x
  3. Step 3: Cross multiply
    3,020.01x = 4,165.74 × 1,972.05
  4. Step 4: Simplify right side
    3,020.01x = 8,215,047.57
  5. Step 5: Solve for x
    x = 8,215,047.57/3,020.01
  6. Step 6: Final answer
    x = 2,720.21

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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.