Home / 2,159.08-3,236.28-1,418.38

Finding the Fourth Proportional to 2,159.08, 3,236.28 and 1,418.38

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Solution

The fourth proportional to 2,159.08, 3,236.28 and 1,418.38 is: 2,126.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159.08 : 3,236.28 = 1,418.38 : x
  2. Step 2: Convert to fraction form
    2,159.08/3,236.28 = 1,418.38/x
  3. Step 3: Cross multiply
    2,159.08x = 3,236.28 × 1,418.38
  4. Step 4: Simplify right side
    2,159.08x = 4,590,274.83
  5. Step 5: Solve for x
    x = 4,590,274.83/2,159.08
  6. Step 6: Final answer
    x = 2,126.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.