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Finding the Fourth Proportional to 3,702.84, 5,554.24 and 1,237.66

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Solution

The fourth proportional to 3,702.84, 5,554.24 and 1,237.66 is: 1,856.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,702.84 : 5,554.24 = 1,237.66 : x
  2. Step 2: Convert to fraction form
    3,702.84/5,554.24 = 1,237.66/x
  3. Step 3: Cross multiply
    3,702.84x = 5,554.24 × 1,237.66
  4. Step 4: Simplify right side
    3,702.84x = 6,874,260.68
  5. Step 5: Solve for x
    x = 6,874,260.68/3,702.84
  6. Step 6: Final answer
    x = 1,856.48

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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.