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Finding the Fourth Proportional to 3,702.76, 5,555.56 and 1,237.92

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Solution

The fourth proportional to 3,702.76, 5,555.56 and 1,237.92 is: 1,857.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,702.76 : 5,555.56 = 1,237.92 : x
  2. Step 2: Convert to fraction form
    3,702.76/5,555.56 = 1,237.92/x
  3. Step 3: Cross multiply
    3,702.76x = 5,555.56 × 1,237.92
  4. Step 4: Simplify right side
    3,702.76x = 6,877,338.84
  5. Step 5: Solve for x
    x = 6,877,338.84/3,702.76
  6. Step 6: Final answer
    x = 1,857.35

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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.