Home / 3,626.16-5,440.80-1,677.28

Finding the Fourth Proportional to 3,626.16, 5,440.80 and 1,677.28

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Solution

The fourth proportional to 3,626.16, 5,440.80 and 1,677.28 is: 2,516.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,626.16 : 5,440.80 = 1,677.28 : x
  2. Step 2: Convert to fraction form
    3,626.16/5,440.80 = 1,677.28/x
  3. Step 3: Cross multiply
    3,626.16x = 5,440.80 × 1,677.28
  4. Step 4: Simplify right side
    3,626.16x = 9,125,745.02
  5. Step 5: Solve for x
    x = 9,125,745.02/3,626.16
  6. Step 6: Final answer
    x = 2,516.64

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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.