Home / 3,338.84-4,606.76-2,143.28

Finding the Fourth Proportional to 3,338.84, 4,606.76 and 2,143.28

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Solution

The fourth proportional to 3,338.84, 4,606.76 and 2,143.28 is: 2,957.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,338.84 : 4,606.76 = 2,143.28 : x
  2. Step 2: Convert to fraction form
    3,338.84/4,606.76 = 2,143.28/x
  3. Step 3: Cross multiply
    3,338.84x = 4,606.76 × 2,143.28
  4. Step 4: Simplify right side
    3,338.84x = 9,873,576.57
  5. Step 5: Solve for x
    x = 9,873,576.57/3,338.84
  6. Step 6: Final answer
    x = 2,957.19

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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.