Home / 2,126.19-3,188.58-893.37

Finding the Fourth Proportional to 2,126.19, 3,188.58 and 893.37

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Solution

The fourth proportional to 2,126.19, 3,188.58 and 893.37 is: 1,339.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126.19 : 3,188.58 = 893.37 : x
  2. Step 2: Convert to fraction form
    2,126.19/3,188.58 = 893.37/x
  3. Step 3: Cross multiply
    2,126.19x = 3,188.58 × 893.37
  4. Step 4: Simplify right side
    2,126.19x = 2,848,597.02
  5. Step 5: Solve for x
    x = 2,848,597.02/2,126.19
  6. Step 6: Final answer
    x = 1,339.76

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1.5x scale

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.