Home / 3,538.28-4,884.15-2,656.62

Finding the Fourth Proportional to 3,538.28, 4,884.15 and 2,656.62

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Solution

The fourth proportional to 3,538.28, 4,884.15 and 2,656.62 is: 3,667.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.28 : 4,884.15 = 2,656.62 : x
  2. Step 2: Convert to fraction form
    3,538.28/4,884.15 = 2,656.62/x
  3. Step 3: Cross multiply
    3,538.28x = 4,884.15 × 2,656.62
  4. Step 4: Simplify right side
    3,538.28x = 12,975,338.93
  5. Step 5: Solve for x
    x = 12,975,338.93/3,538.28
  6. Step 6: Final answer
    x = 3,667.14

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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.