Home / 3,630.77-5,015.16-3,003.83

Finding the Fourth Proportional to 3,630.77, 5,015.16 and 3,003.83

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Solution

The fourth proportional to 3,630.77, 5,015.16 and 3,003.83 is: 4,149.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.77 : 5,015.16 = 3,003.83 : x
  2. Step 2: Convert to fraction form
    3,630.77/5,015.16 = 3,003.83/x
  3. Step 3: Cross multiply
    3,630.77x = 5,015.16 × 3,003.83
  4. Step 4: Simplify right side
    3,630.77x = 15,064,693.09
  5. Step 5: Solve for x
    x = 15,064,693.09/3,630.77
  6. Step 6: Final answer
    x = 4,149.17

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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.