Home / 4,117.44-5,677.92-2,720.64

Finding the Fourth Proportional to 4,117.44, 5,677.92 and 2,720.64

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Solution

The fourth proportional to 4,117.44, 5,677.92 and 2,720.64 is: 3,751.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,117.44 : 5,677.92 = 2,720.64 : x
  2. Step 2: Convert to fraction form
    4,117.44/5,677.92 = 2,720.64/x
  3. Step 3: Cross multiply
    4,117.44x = 5,677.92 × 2,720.64
  4. Step 4: Simplify right side
    4,117.44x = 15,447,576.27
  5. Step 5: Solve for x
    x = 15,447,576.27/4,117.44
  6. Step 6: Final answer
    x = 3,751.74

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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.