Home / 2,133.14-2,942.46-1,293.17

Finding the Fourth Proportional to 2,133.14, 2,942.46 and 1,293.17

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Solution

The fourth proportional to 2,133.14, 2,942.46 and 1,293.17 is: 1,783.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.14 : 2,942.46 = 1,293.17 : x
  2. Step 2: Convert to fraction form
    2,133.14/2,942.46 = 1,293.17/x
  3. Step 3: Cross multiply
    2,133.14x = 2,942.46 × 1,293.17
  4. Step 4: Simplify right side
    2,133.14x = 3,805,086.29
  5. Step 5: Solve for x
    x = 3,805,086.29/2,133.14
  6. Step 6: Final answer
    x = 1,783.80

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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.