Home / 3,702.03-5,107.59-2,639.97

Finding the Fourth Proportional to 3,702.03, 5,107.59 and 2,639.97

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Solution

The fourth proportional to 3,702.03, 5,107.59 and 2,639.97 is: 3,642.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,702.03 : 5,107.59 = 2,639.97 : x
  2. Step 2: Convert to fraction form
    3,702.03/5,107.59 = 2,639.97/x
  3. Step 3: Cross multiply
    3,702.03x = 5,107.59 × 2,639.97
  4. Step 4: Simplify right side
    3,702.03x = 13,483,884.37
  5. Step 5: Solve for x
    x = 13,483,884.37/3,702.03
  6. Step 6: Final answer
    x = 3,642.29

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1.5x scale

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.