Home / 3,736.32-5,605.08-1,271.28

Finding the Fourth Proportional to 3,736.32, 5,605.08 and 1,271.28

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Solution

The fourth proportional to 3,736.32, 5,605.08 and 1,271.28 is: 1,907.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,736.32 : 5,605.08 = 1,271.28 : x
  2. Step 2: Convert to fraction form
    3,736.32/5,605.08 = 1,271.28/x
  3. Step 3: Cross multiply
    3,736.32x = 5,605.08 × 1,271.28
  4. Step 4: Simplify right side
    3,736.32x = 7,125,626.10
  5. Step 5: Solve for x
    x = 7,125,626.10/3,736.32
  6. Step 6: Final answer
    x = 1,907.12

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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.