Home / 2,038.50-2,811.78-1,252.08

Finding the Fourth Proportional to 2,038.50, 2,811.78 and 1,252.08

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Solution

The fourth proportional to 2,038.50, 2,811.78 and 1,252.08 is: 1,727.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038.50 : 2,811.78 = 1,252.08 : x
  2. Step 2: Convert to fraction form
    2,038.50/2,811.78 = 1,252.08/x
  3. Step 3: Cross multiply
    2,038.50x = 2,811.78 × 1,252.08
  4. Step 4: Simplify right side
    2,038.50x = 3,520,573.50
  5. Step 5: Solve for x
    x = 3,520,573.50/2,038.50
  6. Step 6: Final answer
    x = 1,727.04

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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.