Home / 3,702.31-5,554.35-1,105.32

Finding the Fourth Proportional to 3,702.31, 5,554.35 and 1,105.32

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Solution

The fourth proportional to 3,702.31, 5,554.35 and 1,105.32 is: 1,658.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,702.31 : 5,554.35 = 1,105.32 : x
  2. Step 2: Convert to fraction form
    3,702.31/5,554.35 = 1,105.32/x
  3. Step 3: Cross multiply
    3,702.31x = 5,554.35 × 1,105.32
  4. Step 4: Simplify right side
    3,702.31x = 6,139,317.49
  5. Step 5: Solve for x
    x = 6,139,317.49/3,702.31
  6. Step 6: Final answer
    x = 1,658.24

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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.