Home / 2,729.49-4,094.37-1,640.85

Finding the Fourth Proportional to 2,729.49, 4,094.37 and 1,640.85

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Solution

The fourth proportional to 2,729.49, 4,094.37 and 1,640.85 is: 2,461.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.49 : 4,094.37 = 1,640.85 : x
  2. Step 2: Convert to fraction form
    2,729.49/4,094.37 = 1,640.85/x
  3. Step 3: Cross multiply
    2,729.49x = 4,094.37 × 1,640.85
  4. Step 4: Simplify right side
    2,729.49x = 6,718,247.01
  5. Step 5: Solve for x
    x = 6,718,247.01/2,729.49
  6. Step 6: Final answer
    x = 2,461.36

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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.