Home / 1,640.16-2,456.98-1,199.23

Finding the Fourth Proportional to 1,640.16, 2,456.98 and 1,199.23

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Solution

The fourth proportional to 1,640.16, 2,456.98 and 1,199.23 is: 1,796.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640.16 : 2,456.98 = 1,199.23 : x
  2. Step 2: Convert to fraction form
    1,640.16/2,456.98 = 1,199.23/x
  3. Step 3: Cross multiply
    1,640.16x = 2,456.98 × 1,199.23
  4. Step 4: Simplify right side
    1,640.16x = 2,946,474.98
  5. Step 5: Solve for x
    x = 2,946,474.98/1,640.16
  6. Step 6: Final answer
    x = 1,796.46

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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.