Home / 3,837.97-5,296.41-2,159.45

Finding the Fourth Proportional to 3,837.97, 5,296.41 and 2,159.45

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Solution

The fourth proportional to 3,837.97, 5,296.41 and 2,159.45 is: 2,980.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.97 : 5,296.41 = 2,159.45 : x
  2. Step 2: Convert to fraction form
    3,837.97/5,296.41 = 2,159.45/x
  3. Step 3: Cross multiply
    3,837.97x = 5,296.41 × 2,159.45
  4. Step 4: Simplify right side
    3,837.97x = 11,437,332.57
  5. Step 5: Solve for x
    x = 11,437,332.57/3,837.97
  6. Step 6: Final answer
    x = 2,980.05

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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.