Home / 3,707.06-5,115.30-2,214.63

Finding the Fourth Proportional to 3,707.06, 5,115.30 and 2,214.63

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Solution

The fourth proportional to 3,707.06, 5,115.30 and 2,214.63 is: 3,055.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,707.06 : 5,115.30 = 2,214.63 : x
  2. Step 2: Convert to fraction form
    3,707.06/5,115.30 = 2,214.63/x
  3. Step 3: Cross multiply
    3,707.06x = 5,115.30 × 2,214.63
  4. Step 4: Simplify right side
    3,707.06x = 11,328,496.84
  5. Step 5: Solve for x
    x = 11,328,496.84/3,707.06
  6. Step 6: Final answer
    x = 3,055.93

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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.