Home / 3,651.26-5,038.62-2,159.16

Finding the Fourth Proportional to 3,651.26, 5,038.62 and 2,159.16

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Solution

The fourth proportional to 3,651.26, 5,038.62 and 2,159.16 is: 2,979.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.26 : 5,038.62 = 2,159.16 : x
  2. Step 2: Convert to fraction form
    3,651.26/5,038.62 = 2,159.16/x
  3. Step 3: Cross multiply
    3,651.26x = 5,038.62 × 2,159.16
  4. Step 4: Simplify right side
    3,651.26x = 10,879,186.76
  5. Step 5: Solve for x
    x = 10,879,186.76/3,651.26
  6. Step 6: Final answer
    x = 2,979.57

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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.