Home / 3,538.16-4,884.93-2,279.72

Finding the Fourth Proportional to 3,538.16, 4,884.93 and 2,279.72

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Solution

The fourth proportional to 3,538.16, 4,884.93 and 2,279.72 is: 3,147.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.16 : 4,884.93 = 2,279.72 : x
  2. Step 2: Convert to fraction form
    3,538.16/4,884.93 = 2,279.72/x
  3. Step 3: Cross multiply
    3,538.16x = 4,884.93 × 2,279.72
  4. Step 4: Simplify right side
    3,538.16x = 11,136,272.62
  5. Step 5: Solve for x
    x = 11,136,272.62/3,538.16
  6. Step 6: Final answer
    x = 3,147.48

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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.