Home / 2,012.28-3,013.50-1,394.28

Finding the Fourth Proportional to 2,012.28, 3,013.50 and 1,394.28

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Solution

The fourth proportional to 2,012.28, 3,013.50 and 1,394.28 is: 2,088.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012.28 : 3,013.50 = 1,394.28 : x
  2. Step 2: Convert to fraction form
    2,012.28/3,013.50 = 1,394.28/x
  3. Step 3: Cross multiply
    2,012.28x = 3,013.50 × 1,394.28
  4. Step 4: Simplify right side
    2,012.28x = 4,201,662.78
  5. Step 5: Solve for x
    x = 4,201,662.78/2,012.28
  6. Step 6: Final answer
    x = 2,088.01

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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.