Home / 3,708.96-5,115.60-2,718.24

Finding the Fourth Proportional to 3,708.96, 5,115.60 and 2,718.24

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Solution

The fourth proportional to 3,708.96, 5,115.60 and 2,718.24 is: 3,749.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.96 : 5,115.60 = 2,718.24 : x
  2. Step 2: Convert to fraction form
    3,708.96/5,115.60 = 2,718.24/x
  3. Step 3: Cross multiply
    3,708.96x = 5,115.60 × 2,718.24
  4. Step 4: Simplify right side
    3,708.96x = 13,905,428.54
  5. Step 5: Solve for x
    x = 13,905,428.54/3,708.96
  6. Step 6: Final answer
    x = 3,749.14

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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.