Home / 3,517.18-5,276.49-1,208.50

Finding the Fourth Proportional to 3,517.18, 5,276.49 and 1,208.50

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Solution

The fourth proportional to 3,517.18, 5,276.49 and 1,208.50 is: 1,813.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.18 : 5,276.49 = 1,208.50 : x
  2. Step 2: Convert to fraction form
    3,517.18/5,276.49 = 1,208.50/x
  3. Step 3: Cross multiply
    3,517.18x = 5,276.49 × 1,208.50
  4. Step 4: Simplify right side
    3,517.18x = 6,376,638.17
  5. Step 5: Solve for x
    x = 6,376,638.17/3,517.18
  6. Step 6: Final answer
    x = 1,813.00

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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.