Home / 2,140.06-2,953.26-1,255.96

Finding the Fourth Proportional to 2,140.06, 2,953.26 and 1,255.96

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Solution

The fourth proportional to 2,140.06, 2,953.26 and 1,255.96 is: 1,733.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140.06 : 2,953.26 = 1,255.96 : x
  2. Step 2: Convert to fraction form
    2,140.06/2,953.26 = 1,255.96/x
  3. Step 3: Cross multiply
    2,140.06x = 2,953.26 × 1,255.96
  4. Step 4: Simplify right side
    2,140.06x = 3,709,176.43
  5. Step 5: Solve for x
    x = 3,709,176.43/2,140.06
  6. Step 6: Final answer
    x = 1,733.21

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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.