Home / 3,041.13-4,197.56-1,981.80

Finding the Fourth Proportional to 3,041.13, 4,197.56 and 1,981.80

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Solution

The fourth proportional to 3,041.13, 4,197.56 and 1,981.80 is: 2,735.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,041.13 : 4,197.56 = 1,981.80 : x
  2. Step 2: Convert to fraction form
    3,041.13/4,197.56 = 1,981.80/x
  3. Step 3: Cross multiply
    3,041.13x = 4,197.56 × 1,981.80
  4. Step 4: Simplify right side
    3,041.13x = 8,318,724.41
  5. Step 5: Solve for x
    x = 8,318,724.41/3,041.13
  6. Step 6: Final answer
    x = 2,735.41

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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.