Home / 3,838.37-5,296.95-2,159.87

Finding the Fourth Proportional to 3,838.37, 5,296.95 and 2,159.87

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Solution

The fourth proportional to 3,838.37, 5,296.95 and 2,159.87 is: 2,980.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838.37 : 5,296.95 = 2,159.87 : x
  2. Step 2: Convert to fraction form
    3,838.37/5,296.95 = 2,159.87/x
  3. Step 3: Cross multiply
    3,838.37x = 5,296.95 × 2,159.87
  4. Step 4: Simplify right side
    3,838.37x = 11,440,696.91
  5. Step 5: Solve for x
    x = 11,440,696.91/3,838.37
  6. Step 6: Final answer
    x = 2,980.62

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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.