Home / 3,101.03-4,276.13-1,982.01

Finding the Fourth Proportional to 3,101.03, 4,276.13 and 1,982.01

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Solution

The fourth proportional to 3,101.03, 4,276.13 and 1,982.01 is: 2,733.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.03 : 4,276.13 = 1,982.01 : x
  2. Step 2: Convert to fraction form
    3,101.03/4,276.13 = 1,982.01/x
  3. Step 3: Cross multiply
    3,101.03x = 4,276.13 × 1,982.01
  4. Step 4: Simplify right side
    3,101.03x = 8,475,332.42
  5. Step 5: Solve for x
    x = 8,475,332.42/3,101.03
  6. Step 6: Final answer
    x = 2,733.07

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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.