Home / 3,707.36-5,115.11-2,215.64

Finding the Fourth Proportional to 3,707.36, 5,115.11 and 2,215.64

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Solution

The fourth proportional to 3,707.36, 5,115.11 and 2,215.64 is: 3,056.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,707.36 : 5,115.11 = 2,215.64 : x
  2. Step 2: Convert to fraction form
    3,707.36/5,115.11 = 2,215.64/x
  3. Step 3: Cross multiply
    3,707.36x = 5,115.11 × 2,215.64
  4. Step 4: Simplify right side
    3,707.36x = 11,333,242.32
  5. Step 5: Solve for x
    x = 11,333,242.32/3,707.36
  6. Step 6: Final answer
    x = 3,056.96

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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.