Home / 2,038.28-2,812.74-1,252.04

Finding the Fourth Proportional to 2,038.28, 2,812.74 and 1,252.04

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Solution

The fourth proportional to 2,038.28, 2,812.74 and 1,252.04 is: 1,727.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038.28 : 2,812.74 = 1,252.04 : x
  2. Step 2: Convert to fraction form
    2,038.28/2,812.74 = 1,252.04/x
  3. Step 3: Cross multiply
    2,038.28x = 2,812.74 × 1,252.04
  4. Step 4: Simplify right side
    2,038.28x = 3,521,662.99
  5. Step 5: Solve for x
    x = 3,521,662.99/2,038.28
  6. Step 6: Final answer
    x = 1,727.76

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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.