Home / 3,142.09-4,713.93-2,219.46

Finding the Fourth Proportional to 3,142.09, 4,713.93 and 2,219.46

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Solution

The fourth proportional to 3,142.09, 4,713.93 and 2,219.46 is: 3,329.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142.09 : 4,713.93 = 2,219.46 : x
  2. Step 2: Convert to fraction form
    3,142.09/4,713.93 = 2,219.46/x
  3. Step 3: Cross multiply
    3,142.09x = 4,713.93 × 2,219.46
  4. Step 4: Simplify right side
    3,142.09x = 10,462,361.40
  5. Step 5: Solve for x
    x = 10,462,361.40/3,142.09
  6. Step 6: Final answer
    x = 3,329.74

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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.