Home / 3,119.81-4,671.18-2,243.18

Finding the Fourth Proportional to 3,119.81, 4,671.18 and 2,243.18

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Solution

The fourth proportional to 3,119.81, 4,671.18 and 2,243.18 is: 3,358.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.81 : 4,671.18 = 2,243.18 : x
  2. Step 2: Convert to fraction form
    3,119.81/4,671.18 = 2,243.18/x
  3. Step 3: Cross multiply
    3,119.81x = 4,671.18 × 2,243.18
  4. Step 4: Simplify right side
    3,119.81x = 10,478,274.20
  5. Step 5: Solve for x
    x = 10,478,274.20/3,119.81
  6. Step 6: Final answer
    x = 3,358.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.